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Finding the Fourth Proportional to 573,614.52, 791,607.21 and 315,502.35

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Solution

The fourth proportional to 573,614.52, 791,607.21 and 315,502.35 is: 435,403.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,614.52 : 791,607.21 = 315,502.35 : x
  2. Step 2: Convert to fraction form
    573,614.52/791,607.21 = 315,502.35/x
  3. Step 3: Cross multiply
    573,614.52x = 791,607.21 × 315,502.35
  4. Step 4: Simplify right side
    573,614.52x = 249,753,935,031.94
  5. Step 5: Solve for x
    x = 249,753,935,031.94/573,614.52
  6. Step 6: Final answer
    x = 435,403.79

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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.