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Finding the Fourth Proportional to 244,579.20, 366,868.80 and 215,710.80

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Solution

The fourth proportional to 244,579.20, 366,868.80 and 215,710.80 is: 323,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,579.20 : 366,868.80 = 215,710.80 : x
  2. Step 2: Convert to fraction form
    244,579.20/366,868.80 = 215,710.80/x
  3. Step 3: Cross multiply
    244,579.20x = 366,868.80 × 215,710.80
  4. Step 4: Simplify right side
    244,579.20x = 79,137,562,343.04
  5. Step 5: Solve for x
    x = 79,137,562,343.04/244,579.20
  6. Step 6: Final answer
    x = 323,566.20

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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.