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Finding the Fourth Proportional to 336,248.92, 504,033.14 and 217,995.40

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Solution

The fourth proportional to 336,248.92, 504,033.14 and 217,995.40 is: 326,772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,248.92 : 504,033.14 = 217,995.40 : x
  2. Step 2: Convert to fraction form
    336,248.92/504,033.14 = 217,995.40/x
  3. Step 3: Cross multiply
    336,248.92x = 504,033.14 × 217,995.40
  4. Step 4: Simplify right side
    336,248.92x = 109,876,905,967.56
  5. Step 5: Solve for x
    x = 109,876,905,967.56/336,248.92
  6. Step 6: Final answer
    x = 326,772.52

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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.