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Finding the Fourth Proportional to 370,691.28, 511,608.60 and 234,737.64

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Solution

The fourth proportional to 370,691.28, 511,608.60 and 234,737.64 is: 323,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,691.28 : 511,608.60 = 234,737.64 : x
  2. Step 2: Convert to fraction form
    370,691.28/511,608.60 = 234,737.64/x
  3. Step 3: Cross multiply
    370,691.28x = 511,608.60 × 234,737.64
  4. Step 4: Simplify right side
    370,691.28x = 120,093,795,367.70
  5. Step 5: Solve for x
    x = 120,093,795,367.70/370,691.28
  6. Step 6: Final answer
    x = 323,972.54

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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.