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Finding the Fourth Proportional to 444,082.90, 612,838.08 and 245,178.52

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Solution

The fourth proportional to 444,082.90, 612,838.08 and 245,178.52 is: 338,348.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,082.90 : 612,838.08 = 245,178.52 : x
  2. Step 2: Convert to fraction form
    444,082.90/612,838.08 = 245,178.52/x
  3. Step 3: Cross multiply
    444,082.90x = 612,838.08 × 245,178.52
  4. Step 4: Simplify right side
    444,082.90x = 150,254,729,320.18
  5. Step 5: Solve for x
    x = 150,254,729,320.18/444,082.90
  6. Step 6: Final answer
    x = 338,348.38

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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.