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Finding the Fourth Proportional to 366,787.35, 550,222.13 and 329,115.87

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Solution

The fourth proportional to 366,787.35, 550,222.13 and 329,115.87 is: 493,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,787.35 : 550,222.13 = 329,115.87 : x
  2. Step 2: Convert to fraction form
    366,787.35/550,222.13 = 329,115.87/x
  3. Step 3: Cross multiply
    366,787.35x = 550,222.13 × 329,115.87
  4. Step 4: Simplify right side
    366,787.35x = 181,086,835,830.99
  5. Step 5: Solve for x
    x = 181,086,835,830.99/366,787.35
  6. Step 6: Final answer
    x = 493,710.69

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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.