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Finding the Fourth Proportional to 370,276.62, 555,414.93 and 89,793.87

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Solution

The fourth proportional to 370,276.62, 555,414.93 and 89,793.87 is: 134,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,276.62 : 555,414.93 = 89,793.87 : x
  2. Step 2: Convert to fraction form
    370,276.62/555,414.93 = 89,793.87/x
  3. Step 3: Cross multiply
    370,276.62x = 555,414.93 × 89,793.87
  4. Step 4: Simplify right side
    370,276.62x = 49,872,856,020.48
  5. Step 5: Solve for x
    x = 49,872,856,020.48/370,276.62
  6. Step 6: Final answer
    x = 134,690.81

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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.