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Finding the Fourth Proportional to 435,560.06, 653,343.42 and 120,034.28

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Solution

The fourth proportional to 435,560.06, 653,343.42 and 120,034.28 is: 180,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,560.06 : 653,343.42 = 120,034.28 : x
  2. Step 2: Convert to fraction form
    435,560.06/653,343.42 = 120,034.28/x
  3. Step 3: Cross multiply
    435,560.06x = 653,343.42 × 120,034.28
  4. Step 4: Simplify right side
    435,560.06x = 78,423,607,012.44
  5. Step 5: Solve for x
    x = 78,423,607,012.44/435,560.06
  6. Step 6: Final answer
    x = 180,052.34

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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.