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Finding the Fourth Proportional to 587,444.40, 881,166.60 and 188,098.20

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Solution

The fourth proportional to 587,444.40, 881,166.60 and 188,098.20 is: 282,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,444.40 : 881,166.60 = 188,098.20 : x
  2. Step 2: Convert to fraction form
    587,444.40/881,166.60 = 188,098.20/x
  3. Step 3: Cross multiply
    587,444.40x = 881,166.60 × 188,098.20
  4. Step 4: Simplify right side
    587,444.40x = 165,745,851,360.12
  5. Step 5: Solve for x
    x = 165,745,851,360.12/587,444.40
  6. Step 6: Final answer
    x = 282,147.30

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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.