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Finding the Fourth Proportional to 266,722.70, 400,084.05 and 224,732.30

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Solution

The fourth proportional to 266,722.70, 400,084.05 and 224,732.30 is: 337,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,722.70 : 400,084.05 = 224,732.30 : x
  2. Step 2: Convert to fraction form
    266,722.70/400,084.05 = 224,732.30/x
  3. Step 3: Cross multiply
    266,722.70x = 400,084.05 × 224,732.30
  4. Step 4: Simplify right side
    266,722.70x = 89,911,808,749.82
  5. Step 5: Solve for x
    x = 89,911,808,749.82/266,722.70
  6. Step 6: Final answer
    x = 337,098.45

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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.