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Finding the Fourth Proportional to 671,404.01, 924,772.53 and 516,058.21

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Solution

The fourth proportional to 671,404.01, 924,772.53 and 516,058.21 is: 710,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,404.01 : 924,772.53 = 516,058.21 : x
  2. Step 2: Convert to fraction form
    671,404.01/924,772.53 = 516,058.21/x
  3. Step 3: Cross multiply
    671,404.01x = 924,772.53 × 516,058.21
  4. Step 4: Simplify right side
    671,404.01x = 477,236,457,644.94
  5. Step 5: Solve for x
    x = 477,236,457,644.94/671,404.01
  6. Step 6: Final answer
    x = 710,803.71

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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.