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Finding the Fourth Proportional to 581,432.79, 872,149.20 and 182,104.82

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Solution

The fourth proportional to 581,432.79, 872,149.20 and 182,104.82 is: 273,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,432.79 : 872,149.20 = 182,104.82 : x
  2. Step 2: Convert to fraction form
    581,432.79/872,149.20 = 182,104.82/x
  3. Step 3: Cross multiply
    581,432.79x = 872,149.20 × 182,104.82
  4. Step 4: Simplify right side
    581,432.79x = 158,822,568,718.40
  5. Step 5: Solve for x
    x = 158,822,568,718.40/581,432.79
  6. Step 6: Final answer
    x = 273,157.23

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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.