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Finding the Fourth Proportional to 305,002.92, 457,635.42 and 147,349.32

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Solution

The fourth proportional to 305,002.92, 457,635.42 and 147,349.32 is: 221,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,002.92 : 457,635.42 = 147,349.32 : x
  2. Step 2: Convert to fraction form
    305,002.92/457,635.42 = 147,349.32/x
  3. Step 3: Cross multiply
    305,002.92x = 457,635.42 × 147,349.32
  4. Step 4: Simplify right side
    305,002.92x = 67,432,267,944.91
  5. Step 5: Solve for x
    x = 67,432,267,944.91/305,002.92
  6. Step 6: Final answer
    x = 221,087.29

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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.