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Finding the Fourth Proportional to 482,825.90, 724,266.52 and 127,830.69

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Solution

The fourth proportional to 482,825.90, 724,266.52 and 127,830.69 is: 191,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,825.90 : 724,266.52 = 127,830.69 : x
  2. Step 2: Convert to fraction form
    482,825.90/724,266.52 = 127,830.69/x
  3. Step 3: Cross multiply
    482,825.90x = 724,266.52 × 127,830.69
  4. Step 4: Simplify right side
    482,825.90x = 92,583,488,675.92
  5. Step 5: Solve for x
    x = 92,583,488,675.92/482,825.90
  6. Step 6: Final answer
    x = 191,753.36

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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.