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Finding the Fourth Proportional to 436,774.92, 655,166.02 and 137,248.88

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Solution

The fourth proportional to 436,774.92, 655,166.02 and 137,248.88 is: 205,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,774.92 : 655,166.02 = 137,248.88 : x
  2. Step 2: Convert to fraction form
    436,774.92/655,166.02 = 137,248.88/x
  3. Step 3: Cross multiply
    436,774.92x = 655,166.02 × 137,248.88
  4. Step 4: Simplify right side
    436,774.92x = 89,920,802,459.06
  5. Step 5: Solve for x
    x = 89,920,802,459.06/436,774.92
  6. Step 6: Final answer
    x = 205,874.46

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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.