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Finding the Fourth Proportional to 488,007.71, 673,443.66 and 270,195.52

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Solution

The fourth proportional to 488,007.71, 673,443.66 and 270,195.52 is: 372,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,007.71 : 673,443.66 = 270,195.52 : x
  2. Step 2: Convert to fraction form
    488,007.71/673,443.66 = 270,195.52/x
  3. Step 3: Cross multiply
    488,007.71x = 673,443.66 × 270,195.52
  4. Step 4: Simplify right side
    488,007.71x = 181,961,456,537.19
  5. Step 5: Solve for x
    x = 181,961,456,537.19/488,007.71
  6. Step 6: Final answer
    x = 372,865.95

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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.