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Finding the Fourth Proportional to 314,932,357.20, 472,398,535.80 and 283,187,614.80

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Solution

The fourth proportional to 314,932,357.20, 472,398,535.80 and 283,187,614.80 is: 424,781,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,932,357.20 : 472,398,535.80 = 283,187,614.80 : x
  2. Step 2: Convert to fraction form
    314,932,357.20/472,398,535.80 = 283,187,614.80/x
  3. Step 3: Cross multiply
    314,932,357.20x = 472,398,535.80 × 283,187,614.80
  4. Step 4: Simplify right side
    314,932,357.20x = 133,777,414,588,214,416
  5. Step 5: Solve for x
    x = 133,777,414,588,214,416/314,932,357.20
  6. Step 6: Final answer
    x = 424,781,422.20

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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.