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Finding the Fourth Proportional to 266,327.70, 399,491.55 and 224,337.30

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Solution

The fourth proportional to 266,327.70, 399,491.55 and 224,337.30 is: 336,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,327.70 : 399,491.55 = 224,337.30 : x
  2. Step 2: Convert to fraction form
    266,327.70/399,491.55 = 224,337.30/x
  3. Step 3: Cross multiply
    266,327.70x = 399,491.55 × 224,337.30
  4. Step 4: Simplify right side
    266,327.70x = 89,620,855,699.82
  5. Step 5: Solve for x
    x = 89,620,855,699.82/266,327.70
  6. Step 6: Final answer
    x = 336,505.95

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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.