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Finding the Fourth Proportional to 240,728.68, 360,832.38 and 156,549.26

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Solution

The fourth proportional to 240,728.68, 360,832.38 and 156,549.26 is: 234,654.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,728.68 : 360,832.38 = 156,549.26 : x
  2. Step 2: Convert to fraction form
    240,728.68/360,832.38 = 156,549.26/x
  3. Step 3: Cross multiply
    240,728.68x = 360,832.38 × 156,549.26
  4. Step 4: Simplify right side
    240,728.68x = 56,488,042,073.04
  5. Step 5: Solve for x
    x = 56,488,042,073.04/240,728.68
  6. Step 6: Final answer
    x = 234,654.39

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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.