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Finding the Fourth Proportional to 436,832.62, 655,248.15 and 137,339.32

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Solution

The fourth proportional to 436,832.62, 655,248.15 and 137,339.32 is: 206,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,832.62 : 655,248.15 = 137,339.32 : x
  2. Step 2: Convert to fraction form
    436,832.62/655,248.15 = 137,339.32/x
  3. Step 3: Cross multiply
    436,832.62x = 655,248.15 × 137,339.32
  4. Step 4: Simplify right side
    436,832.62x = 89,991,335,352.26
  5. Step 5: Solve for x
    x = 89,991,335,352.26/436,832.62
  6. Step 6: Final answer
    x = 206,008.73

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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.