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Finding the Fourth Proportional to 317,127.60, 475,618.60 and 189,080.11

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Solution

The fourth proportional to 317,127.60, 475,618.60 and 189,080.11 is: 283,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,127.60 : 475,618.60 = 189,080.11 : x
  2. Step 2: Convert to fraction form
    317,127.60/475,618.60 = 189,080.11/x
  3. Step 3: Cross multiply
    317,127.60x = 475,618.60 × 189,080.11
  4. Step 4: Simplify right side
    317,127.60x = 89,930,016,253.35
  5. Step 5: Solve for x
    x = 89,930,016,253.35/317,127.60
  6. Step 6: Final answer
    x = 283,576.76

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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.