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Finding the Fourth Proportional to 525,073,181.80, 787,609,772.70 and 525,073,181.80

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Solution

The fourth proportional to 525,073,181.80, 787,609,772.70 and 525,073,181.80 is: 787,609,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,073,181.80 : 787,609,772.70 = 525,073,181.80 : x
  2. Step 2: Convert to fraction form
    525,073,181.80/787,609,772.70 = 525,073,181.80/x
  3. Step 3: Cross multiply
    525,073,181.80x = 787,609,772.70 × 525,073,181.80
  4. Step 4: Simplify right side
    525,073,181.80x = 413,552,769,368,363,840
  5. Step 5: Solve for x
    x = 413,552,769,368,363,840/525,073,181.80
  6. Step 6: Final answer
    x = 787,609,772.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.