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Finding the Fourth Proportional to 268,320.29, 369,891.92 and 187,496.87

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Solution

The fourth proportional to 268,320.29, 369,891.92 and 187,496.87 is: 258,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,320.29 : 369,891.92 = 187,496.87 : x
  2. Step 2: Convert to fraction form
    268,320.29/369,891.92 = 187,496.87/x
  3. Step 3: Cross multiply
    268,320.29x = 369,891.92 × 187,496.87
  4. Step 4: Simplify right side
    268,320.29x = 69,353,574,451.35
  5. Step 5: Solve for x
    x = 69,353,574,451.35/268,320.29
  6. Step 6: Final answer
    x = 258,473.09

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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.