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Finding the Fourth Proportional to 266,691.00, 367,719.12 and 215,545.58

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Solution

The fourth proportional to 266,691.00, 367,719.12 and 215,545.58 is: 297,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,691.00 : 367,719.12 = 215,545.58 : x
  2. Step 2: Convert to fraction form
    266,691.00/367,719.12 = 215,545.58/x
  3. Step 3: Cross multiply
    266,691.00x = 367,719.12 × 215,545.58
  4. Step 4: Simplify right side
    266,691.00x = 79,260,230,537.84
  5. Step 5: Solve for x
    x = 79,260,230,537.84/266,691.00
  6. Step 6: Final answer
    x = 297,198.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.