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Finding the Fourth Proportional to 375,957.80, 563,711.46 and 119,679.66

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Solution

The fourth proportional to 375,957.80, 563,711.46 and 119,679.66 is: 179,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,957.80 : 563,711.46 = 119,679.66 : x
  2. Step 2: Convert to fraction form
    375,957.80/563,711.46 = 119,679.66/x
  3. Step 3: Cross multiply
    375,957.80x = 563,711.46 × 119,679.66
  4. Step 4: Simplify right side
    375,957.80x = 67,464,795,870.90
  5. Step 5: Solve for x
    x = 67,464,795,870.90/375,957.80
  6. Step 6: Final answer
    x = 179,447.79

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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.