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Finding the Fourth Proportional to 266,023.92, 398,400.24 and 147,401.04

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Solution

The fourth proportional to 266,023.92, 398,400.24 and 147,401.04 is: 220,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,023.92 : 398,400.24 = 147,401.04 : x
  2. Step 2: Convert to fraction form
    266,023.92/398,400.24 = 147,401.04/x
  3. Step 3: Cross multiply
    266,023.92x = 398,400.24 × 147,401.04
  4. Step 4: Simplify right side
    266,023.92x = 58,724,609,712.25
  5. Step 5: Solve for x
    x = 58,724,609,712.25/266,023.92
  6. Step 6: Final answer
    x = 220,749.36

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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.