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Finding the Fourth Proportional to 573,265.35, 791,150.29 and 343,831.43

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Solution

The fourth proportional to 573,265.35, 791,150.29 and 343,831.43 is: 474,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,265.35 : 791,150.29 = 343,831.43 : x
  2. Step 2: Convert to fraction form
    573,265.35/791,150.29 = 343,831.43/x
  3. Step 3: Cross multiply
    573,265.35x = 791,150.29 × 343,831.43
  4. Step 4: Simplify right side
    573,265.35x = 272,022,336,673.91
  5. Step 5: Solve for x
    x = 272,022,336,673.91/573,265.35
  6. Step 6: Final answer
    x = 474,513.83

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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.