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Finding the Fourth Proportional to 440,169.42, 607,436.91 and 238,965.42

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Solution

The fourth proportional to 440,169.42, 607,436.91 and 238,965.42 is: 329,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,169.42 : 607,436.91 = 238,965.42 : x
  2. Step 2: Convert to fraction form
    440,169.42/607,436.91 = 238,965.42/x
  3. Step 3: Cross multiply
    440,169.42x = 607,436.91 × 238,965.42
  4. Step 4: Simplify right side
    440,169.42x = 145,156,416,321.65
  5. Step 5: Solve for x
    x = 145,156,416,321.65/440,169.42
  6. Step 6: Final answer
    x = 329,773.97

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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.