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Finding the Fourth Proportional to 423,502.75, 635,235.90 and 107,950.24

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Solution

The fourth proportional to 423,502.75, 635,235.90 and 107,950.24 is: 161,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,502.75 : 635,235.90 = 107,950.24 : x
  2. Step 2: Convert to fraction form
    423,502.75/635,235.90 = 107,950.24/x
  3. Step 3: Cross multiply
    423,502.75x = 635,235.90 × 107,950.24
  4. Step 4: Simplify right side
    423,502.75x = 68,573,867,861.62
  5. Step 5: Solve for x
    x = 68,573,867,861.62/423,502.75
  6. Step 6: Final answer
    x = 161,920.71

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1.5x scale

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.