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Finding the Fourth Proportional to 416,610.56, 625,136.16 and 227,207.36

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Solution

The fourth proportional to 416,610.56, 625,136.16 and 227,207.36 is: 340,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,610.56 : 625,136.16 = 227,207.36 : x
  2. Step 2: Convert to fraction form
    416,610.56/625,136.16 = 227,207.36/x
  3. Step 3: Cross multiply
    416,610.56x = 625,136.16 × 227,207.36
  4. Step 4: Simplify right side
    416,610.56x = 142,035,536,554.14
  5. Step 5: Solve for x
    x = 142,035,536,554.14/416,610.56
  6. Step 6: Final answer
    x = 340,931.20

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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.