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Finding the Fourth Proportional to 435,760.02, 653,640.03 and 120,241.53

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Solution

The fourth proportional to 435,760.02, 653,640.03 and 120,241.53 is: 180,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,760.02 : 653,640.03 = 120,241.53 : x
  2. Step 2: Convert to fraction form
    435,760.02/653,640.03 = 120,241.53/x
  3. Step 3: Cross multiply
    435,760.02x = 653,640.03 × 120,241.53
  4. Step 4: Simplify right side
    435,760.02x = 78,594,677,276.45
  5. Step 5: Solve for x
    x = 78,594,677,276.45/435,760.02
  6. Step 6: Final answer
    x = 180,362.30

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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.