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Finding the Fourth Proportional to 534,190.10, 801,285.15 and 160,213.10

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Solution

The fourth proportional to 534,190.10, 801,285.15 and 160,213.10 is: 240,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,190.10 : 801,285.15 = 160,213.10 : x
  2. Step 2: Convert to fraction form
    534,190.10/801,285.15 = 160,213.10/x
  3. Step 3: Cross multiply
    534,190.10x = 801,285.15 × 160,213.10
  4. Step 4: Simplify right side
    534,190.10x = 128,376,377,865.47
  5. Step 5: Solve for x
    x = 128,376,377,865.47/534,190.10
  6. Step 6: Final answer
    x = 240,319.65

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Double scale
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Similar ratio
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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.