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Finding the Fourth Proportional to 370,691.24, 511,608.56 and 234,737.60

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Solution

The fourth proportional to 370,691.24, 511,608.56 and 234,737.60 is: 323,972.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,691.24 : 511,608.56 = 234,737.60 : x
  2. Step 2: Convert to fraction form
    370,691.24/511,608.56 = 234,737.60/x
  3. Step 3: Cross multiply
    370,691.24x = 511,608.56 × 234,737.60
  4. Step 4: Simplify right side
    370,691.24x = 120,093,765,513.86
  5. Step 5: Solve for x
    x = 120,093,765,513.86/370,691.24
  6. Step 6: Final answer
    x = 323,972.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.