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Finding the Fourth Proportional to 444,139.17, 612,874.76 and 262,819.55

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Solution

The fourth proportional to 444,139.17, 612,874.76 and 262,819.55 is: 362,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,139.17 : 612,874.76 = 262,819.55 : x
  2. Step 2: Convert to fraction form
    444,139.17/612,874.76 = 262,819.55/x
  3. Step 3: Cross multiply
    444,139.17x = 612,874.76 × 262,819.55
  4. Step 4: Simplify right side
    444,139.17x = 161,075,468,847.65
  5. Step 5: Solve for x
    x = 161,075,468,847.65/444,139.17
  6. Step 6: Final answer
    x = 362,668.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.