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Finding the Fourth Proportional to 435,704.60, 653,557.44 and 136,186.72

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Solution

The fourth proportional to 435,704.60, 653,557.44 and 136,186.72 is: 204,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,704.60 : 653,557.44 = 136,186.72 : x
  2. Step 2: Convert to fraction form
    435,704.60/653,557.44 = 136,186.72/x
  3. Step 3: Cross multiply
    435,704.60x = 653,557.44 × 136,186.72
  4. Step 4: Simplify right side
    435,704.60x = 89,005,844,085.20
  5. Step 5: Solve for x
    x = 89,005,844,085.20/435,704.60
  6. Step 6: Final answer
    x = 204,280.25

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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.