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Finding the Fourth Proportional to 435,807.56, 653,748.98 and 120,264.44

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Solution

The fourth proportional to 435,807.56, 653,748.98 and 120,264.44 is: 180,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,807.56 : 653,748.98 = 120,264.44 : x
  2. Step 2: Convert to fraction form
    435,807.56/653,748.98 = 120,264.44/x
  3. Step 3: Cross multiply
    435,807.56x = 653,748.98 × 120,264.44
  4. Step 4: Simplify right side
    435,807.56x = 78,622,751,110.20
  5. Step 5: Solve for x
    x = 78,622,751,110.20/435,807.56
  6. Step 6: Final answer
    x = 180,407.04

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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.