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Finding the Fourth Proportional to 587,123.10, 880,101.45 and 271,028.70

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Solution

The fourth proportional to 587,123.10, 880,101.45 and 271,028.70 is: 406,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,123.10 : 880,101.45 = 271,028.70 : x
  2. Step 2: Convert to fraction form
    587,123.10/880,101.45 = 271,028.70/x
  3. Step 3: Cross multiply
    587,123.10x = 880,101.45 × 271,028.70
  4. Step 4: Simplify right side
    587,123.10x = 238,532,751,861.62
  5. Step 5: Solve for x
    x = 238,532,751,861.62/587,123.10
  6. Step 6: Final answer
    x = 406,273.83

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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.