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Finding the Fourth Proportional to 337,585.87, 465,925.78 and 194,428.79

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Solution

The fourth proportional to 337,585.87, 465,925.78 and 194,428.79 is: 268,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,585.87 : 465,925.78 = 194,428.79 : x
  2. Step 2: Convert to fraction form
    337,585.87/465,925.78 = 194,428.79/x
  3. Step 3: Cross multiply
    337,585.87x = 465,925.78 × 194,428.79
  4. Step 4: Simplify right side
    337,585.87x = 90,589,385,635.21
  5. Step 5: Solve for x
    x = 90,589,385,635.21/337,585.87
  6. Step 6: Final answer
    x = 268,344.72

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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.