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Finding the Fourth Proportional to 671,403.63, 924,772.01 and 516,057.83

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Solution

The fourth proportional to 671,403.63, 924,772.01 and 516,057.83 is: 710,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,403.63 : 924,772.01 = 516,057.83 : x
  2. Step 2: Convert to fraction form
    671,403.63/924,772.01 = 516,057.83/x
  3. Step 3: Cross multiply
    671,403.63x = 924,772.01 × 516,057.83
  4. Step 4: Simplify right side
    671,403.63x = 477,235,842,545.17
  5. Step 5: Solve for x
    x = 477,235,842,545.17/671,403.63
  6. Step 6: Final answer
    x = 710,803.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.