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Finding the Fourth Proportional to 448,797.92, 619,338.17 and 255,205.65

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Solution

The fourth proportional to 448,797.92, 619,338.17 and 255,205.65 is: 352,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,797.92 : 619,338.17 = 255,205.65 : x
  2. Step 2: Convert to fraction form
    448,797.92/619,338.17 = 255,205.65/x
  3. Step 3: Cross multiply
    448,797.92x = 619,338.17 × 255,205.65
  4. Step 4: Simplify right side
    448,797.92x = 158,058,601,769.66
  5. Step 5: Solve for x
    x = 158,058,601,769.66/448,797.92
  6. Step 6: Final answer
    x = 352,182.12

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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.