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Finding the Fourth Proportional to 363,562.65, 544,252.91 and 220,967.82

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Solution

The fourth proportional to 363,562.65, 544,252.91 and 220,967.82 is: 330,788.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,562.65 : 544,252.91 = 220,967.82 : x
  2. Step 2: Convert to fraction form
    363,562.65/544,252.91 = 220,967.82/x
  3. Step 3: Cross multiply
    363,562.65x = 544,252.91 × 220,967.82
  4. Step 4: Simplify right side
    363,562.65x = 120,262,377,946.52
  5. Step 5: Solve for x
    x = 120,262,377,946.52/363,562.65
  6. Step 6: Final answer
    x = 330,788.59

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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.