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Finding the Fourth Proportional to 581,765.78, 872,648.46 and 182,437.20

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Solution

The fourth proportional to 581,765.78, 872,648.46 and 182,437.20 is: 273,655.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,765.78 : 872,648.46 = 182,437.20 : x
  2. Step 2: Convert to fraction form
    581,765.78/872,648.46 = 182,437.20/x
  3. Step 3: Cross multiply
    581,765.78x = 872,648.46 × 182,437.20
  4. Step 4: Simplify right side
    581,765.78x = 159,203,541,626.71
  5. Step 5: Solve for x
    x = 159,203,541,626.71/581,765.78
  6. Step 6: Final answer
    x = 273,655.74

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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.