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Finding the Fourth Proportional to 435,796.50, 653,732.41 and 120,253.41

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Solution

The fourth proportional to 435,796.50, 653,732.41 and 120,253.41 is: 180,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,796.50 : 653,732.41 = 120,253.41 : x
  2. Step 2: Convert to fraction form
    435,796.50/653,732.41 = 120,253.41/x
  3. Step 3: Cross multiply
    435,796.50x = 653,732.41 × 120,253.41
  4. Step 4: Simplify right side
    435,796.50x = 78,613,548,261.36
  5. Step 5: Solve for x
    x = 78,613,548,261.36/435,796.50
  6. Step 6: Final answer
    x = 180,390.50

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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.