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Finding the Fourth Proportional to 525,998.10, 788,997.15 and 171,023.70

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Solution

The fourth proportional to 525,998.10, 788,997.15 and 171,023.70 is: 256,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,998.10 : 788,997.15 = 171,023.70 : x
  2. Step 2: Convert to fraction form
    525,998.10/788,997.15 = 171,023.70/x
  3. Step 3: Cross multiply
    525,998.10x = 788,997.15 × 171,023.70
  4. Step 4: Simplify right side
    525,998.10x = 134,937,211,882.46
  5. Step 5: Solve for x
    x = 134,937,211,882.46/525,998.10
  6. Step 6: Final answer
    x = 256,535.55

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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.