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Finding the Fourth Proportional to 227,641.66, 340,789.95 and 217,898.57

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Solution

The fourth proportional to 227,641.66, 340,789.95 and 217,898.57 is: 326,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,641.66 : 340,789.95 = 217,898.57 : x
  2. Step 2: Convert to fraction form
    227,641.66/340,789.95 = 217,898.57/x
  3. Step 3: Cross multiply
    227,641.66x = 340,789.95 × 217,898.57
  4. Step 4: Simplify right side
    227,641.66x = 74,257,643,627.35
  5. Step 5: Solve for x
    x = 74,257,643,627.35/227,641.66
  6. Step 6: Final answer
    x = 326,204.11

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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.