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Finding the Fourth Proportional to 370,260.97, 555,396.62 and 130,382.61

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Solution

The fourth proportional to 370,260.97, 555,396.62 and 130,382.61 is: 195,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,260.97 : 555,396.62 = 130,382.61 : x
  2. Step 2: Convert to fraction form
    370,260.97/555,396.62 = 130,382.61/x
  3. Step 3: Cross multiply
    370,260.97x = 555,396.62 × 130,382.61
  4. Step 4: Simplify right side
    370,260.97x = 72,414,060,043.55
  5. Step 5: Solve for x
    x = 72,414,060,043.55/370,260.97
  6. Step 6: Final answer
    x = 195,575.73

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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.