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Finding the Fourth Proportional to 483,508.11, 724,265.43 and 283,221.27

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Solution

The fourth proportional to 483,508.11, 724,265.43 and 283,221.27 is: 424,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,508.11 : 724,265.43 = 283,221.27 : x
  2. Step 2: Convert to fraction form
    483,508.11/724,265.43 = 283,221.27/x
  3. Step 3: Cross multiply
    483,508.11x = 724,265.43 × 283,221.27
  4. Step 4: Simplify right side
    483,508.11x = 205,127,374,901.70
  5. Step 5: Solve for x
    x = 205,127,374,901.70/483,508.11
  6. Step 6: Final answer
    x = 424,248.05

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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.