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Finding the Fourth Proportional to 525,863.10, 788,794.65 and 245,927.10

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Solution

The fourth proportional to 525,863.10, 788,794.65 and 245,927.10 is: 368,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,863.10 : 788,794.65 = 245,927.10 : x
  2. Step 2: Convert to fraction form
    525,863.10/788,794.65 = 245,927.10/x
  3. Step 3: Cross multiply
    525,863.10x = 788,794.65 × 245,927.10
  4. Step 4: Simplify right side
    525,863.10x = 193,985,980,770.02
  5. Step 5: Solve for x
    x = 193,985,980,770.02/525,863.10
  6. Step 6: Final answer
    x = 368,890.65

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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.