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Finding the Fourth Proportional to 498,784.56, 748,176.84 and 124,807.56

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Solution

The fourth proportional to 498,784.56, 748,176.84 and 124,807.56 is: 187,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,784.56 : 748,176.84 = 124,807.56 : x
  2. Step 2: Convert to fraction form
    498,784.56/748,176.84 = 124,807.56/x
  3. Step 3: Cross multiply
    498,784.56x = 748,176.84 × 124,807.56
  4. Step 4: Simplify right side
    498,784.56x = 93,378,125,848.91
  5. Step 5: Solve for x
    x = 93,378,125,848.91/498,784.56
  6. Step 6: Final answer
    x = 187,211.34

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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.