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Finding the Fourth Proportional to 581,431.73, 872,147.60 and 182,103.75

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Solution

The fourth proportional to 581,431.73, 872,147.60 and 182,103.75 is: 273,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,431.73 : 872,147.60 = 182,103.75 : x
  2. Step 2: Convert to fraction form
    581,431.73/872,147.60 = 182,103.75/x
  3. Step 3: Cross multiply
    581,431.73x = 872,147.60 × 182,103.75
  4. Step 4: Simplify right side
    581,431.73x = 158,821,348,513.50
  5. Step 5: Solve for x
    x = 158,821,348,513.50/581,431.73
  6. Step 6: Final answer
    x = 273,155.63

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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.