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Finding the Fourth Proportional to 616,010.80, 924,016.20 and 525,809.20

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Solution

The fourth proportional to 616,010.80, 924,016.20 and 525,809.20 is: 788,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,010.80 : 924,016.20 = 525,809.20 : x
  2. Step 2: Convert to fraction form
    616,010.80/924,016.20 = 525,809.20/x
  3. Step 3: Cross multiply
    616,010.80x = 924,016.20 × 525,809.20
  4. Step 4: Simplify right side
    616,010.80x = 485,856,218,909.04
  5. Step 5: Solve for x
    x = 485,856,218,909.04/616,010.80
  6. Step 6: Final answer
    x = 788,713.80

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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.