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Finding the Fourth Proportional to 581,480.72, 872,221.08 and 182,124.80

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Solution

The fourth proportional to 581,480.72, 872,221.08 and 182,124.80 is: 273,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,480.72 : 872,221.08 = 182,124.80 : x
  2. Step 2: Convert to fraction form
    581,480.72/872,221.08 = 182,124.80/x
  3. Step 3: Cross multiply
    581,480.72x = 872,221.08 × 182,124.80
  4. Step 4: Simplify right side
    581,480.72x = 158,853,089,750.78
  5. Step 5: Solve for x
    x = 158,853,089,750.78/581,480.72
  6. Step 6: Final answer
    x = 273,187.20

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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.