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Finding the Fourth Proportional to 541,432.60, 812,148.90 and 167,455.60

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Solution

The fourth proportional to 541,432.60, 812,148.90 and 167,455.60 is: 251,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,432.60 : 812,148.90 = 167,455.60 : x
  2. Step 2: Convert to fraction form
    541,432.60/812,148.90 = 167,455.60/x
  3. Step 3: Cross multiply
    541,432.60x = 812,148.90 × 167,455.60
  4. Step 4: Simplify right side
    541,432.60x = 135,998,881,338.84
  5. Step 5: Solve for x
    x = 135,998,881,338.84/541,432.60
  6. Step 6: Final answer
    x = 251,183.40

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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.