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Finding the Fourth Proportional to 534,454.20, 800,126.10 and 472,246.20

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Solution

The fourth proportional to 534,454.20, 800,126.10 and 472,246.20 is: 706,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,454.20 : 800,126.10 = 472,246.20 : x
  2. Step 2: Convert to fraction form
    534,454.20/800,126.10 = 472,246.20/x
  3. Step 3: Cross multiply
    534,454.20x = 800,126.10 × 472,246.20
  4. Step 4: Simplify right side
    534,454.20x = 377,856,510,245.82
  5. Step 5: Solve for x
    x = 377,856,510,245.82/534,454.20
  6. Step 6: Final answer
    x = 706,995.12

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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.