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Finding the Fourth Proportional to 498,353.56, 747,526.50 and 124,374.04

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Solution

The fourth proportional to 498,353.56, 747,526.50 and 124,374.04 is: 186,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,353.56 : 747,526.50 = 124,374.04 : x
  2. Step 2: Convert to fraction form
    498,353.56/747,526.50 = 124,374.04/x
  3. Step 3: Cross multiply
    498,353.56x = 747,526.50 × 124,374.04
  4. Step 4: Simplify right side
    498,353.56x = 92,972,890,812.06
  5. Step 5: Solve for x
    x = 92,972,890,812.06/498,353.56
  6. Step 6: Final answer
    x = 186,560.10

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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.