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Finding the Fourth Proportional to 435,489.14, 653,240.27 and 151,188.71

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Solution

The fourth proportional to 435,489.14, 653,240.27 and 151,188.71 is: 226,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,489.14 : 653,240.27 = 151,188.71 : x
  2. Step 2: Convert to fraction form
    435,489.14/653,240.27 = 151,188.71/x
  3. Step 3: Cross multiply
    435,489.14x = 653,240.27 × 151,188.71
  4. Step 4: Simplify right side
    435,489.14x = 98,762,555,185.47
  5. Step 5: Solve for x
    x = 98,762,555,185.47/435,489.14
  6. Step 6: Final answer
    x = 226,785.35

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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.