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Finding the Fourth Proportional to 480,791.87, 663,448.17 and 265,927.33

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Solution

The fourth proportional to 480,791.87, 663,448.17 and 265,927.33 is: 366,955.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,791.87 : 663,448.17 = 265,927.33 : x
  2. Step 2: Convert to fraction form
    480,791.87/663,448.17 = 265,927.33/x
  3. Step 3: Cross multiply
    480,791.87x = 663,448.17 × 265,927.33
  4. Step 4: Simplify right side
    480,791.87x = 176,429,000,441.49
  5. Step 5: Solve for x
    x = 176,429,000,441.49/480,791.87
  6. Step 6: Final answer
    x = 366,955.04

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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.