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Finding the Fourth Proportional to 266,432.20, 399,648.30 and 182,451.40

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Solution

The fourth proportional to 266,432.20, 399,648.30 and 182,451.40 is: 273,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,432.20 : 399,648.30 = 182,451.40 : x
  2. Step 2: Convert to fraction form
    266,432.20/399,648.30 = 182,451.40/x
  3. Step 3: Cross multiply
    266,432.20x = 399,648.30 × 182,451.40
  4. Step 4: Simplify right side
    266,432.20x = 72,916,391,842.62
  5. Step 5: Solve for x
    x = 72,916,391,842.62/266,432.20
  6. Step 6: Final answer
    x = 273,677.10

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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.