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Finding the Fourth Proportional to 480,744.44, 663,423.94 and 265,876.56

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Solution

The fourth proportional to 480,744.44, 663,423.94 and 265,876.56 is: 366,907.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,744.44 : 663,423.94 = 265,876.56 : x
  2. Step 2: Convert to fraction form
    480,744.44/663,423.94 = 265,876.56/x
  3. Step 3: Cross multiply
    480,744.44x = 663,423.94 × 265,876.56
  4. Step 4: Simplify right side
    480,744.44x = 176,388,874,988.85
  5. Step 5: Solve for x
    x = 176,388,874,988.85/480,744.44
  6. Step 6: Final answer
    x = 366,907.78

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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.