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Finding the Fourth Proportional to 502,479.59, 753,295.68 and 217,956.02

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Solution

The fourth proportional to 502,479.59, 753,295.68 and 217,956.02 is: 326,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,479.59 : 753,295.68 = 217,956.02 : x
  2. Step 2: Convert to fraction form
    502,479.59/753,295.68 = 217,956.02/x
  3. Step 3: Cross multiply
    502,479.59x = 753,295.68 × 217,956.02
  4. Step 4: Simplify right side
    502,479.59x = 164,185,324,529.52
  5. Step 5: Solve for x
    x = 164,185,324,529.52/502,479.59
  6. Step 6: Final answer
    x = 326,750.24

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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.