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Finding the Fourth Proportional to 442,432.82, 610,609.11 and 251,474.91

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Solution

The fourth proportional to 442,432.82, 610,609.11 and 251,474.91 is: 347,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,432.82 : 610,609.11 = 251,474.91 : x
  2. Step 2: Convert to fraction form
    442,432.82/610,609.11 = 251,474.91/x
  3. Step 3: Cross multiply
    442,432.82x = 610,609.11 × 251,474.91
  4. Step 4: Simplify right side
    442,432.82x = 153,552,870,982.43
  5. Step 5: Solve for x
    x = 153,552,870,982.43/442,432.82
  6. Step 6: Final answer
    x = 347,064.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.