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Finding the Fourth Proportional to 534,228.60, 801,342.90 and 356,158.20

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Solution

The fourth proportional to 534,228.60, 801,342.90 and 356,158.20 is: 534,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,228.60 : 801,342.90 = 356,158.20 : x
  2. Step 2: Convert to fraction form
    534,228.60/801,342.90 = 356,158.20/x
  3. Step 3: Cross multiply
    534,228.60x = 801,342.90 × 356,158.20
  4. Step 4: Simplify right side
    534,228.60x = 285,404,844,846.78
  5. Step 5: Solve for x
    x = 285,404,844,846.78/534,228.60
  6. Step 6: Final answer
    x = 534,237.30

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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.