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Finding the Fourth Proportional to 266,720.70, 400,081.05 and 224,730.30

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Solution

The fourth proportional to 266,720.70, 400,081.05 and 224,730.30 is: 337,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,720.70 : 400,081.05 = 224,730.30 : x
  2. Step 2: Convert to fraction form
    266,720.70/400,081.05 = 224,730.30/x
  3. Step 3: Cross multiply
    266,720.70x = 400,081.05 × 224,730.30
  4. Step 4: Simplify right side
    266,720.70x = 89,910,334,390.82
  5. Step 5: Solve for x
    x = 89,910,334,390.82/266,720.70
  6. Step 6: Final answer
    x = 337,095.45

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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.