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Finding the Fourth Proportional to 482,907.40, 724,361.10 and 127,957.30

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Solution

The fourth proportional to 482,907.40, 724,361.10 and 127,957.30 is: 191,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,907.40 : 724,361.10 = 127,957.30 : x
  2. Step 2: Convert to fraction form
    482,907.40/724,361.10 = 127,957.30/x
  3. Step 3: Cross multiply
    482,907.40x = 724,361.10 × 127,957.30
  4. Step 4: Simplify right side
    482,907.40x = 92,687,290,581.03
  5. Step 5: Solve for x
    x = 92,687,290,581.03/482,907.40
  6. Step 6: Final answer
    x = 191,935.95

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Similar ratio
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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.