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Finding the Fourth Proportional to 403,562.98, 605,134.26 and 150,635.47

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Solution

The fourth proportional to 403,562.98, 605,134.26 and 150,635.47 is: 225,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,562.98 : 605,134.26 = 150,635.47 : x
  2. Step 2: Convert to fraction form
    403,562.98/605,134.26 = 150,635.47/x
  3. Step 3: Cross multiply
    403,562.98x = 605,134.26 × 150,635.47
  4. Step 4: Simplify right side
    403,562.98x = 91,154,683,668.20
  5. Step 5: Solve for x
    x = 91,154,683,668.20/403,562.98
  6. Step 6: Final answer
    x = 225,874.74

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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.