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Finding the Fourth Proportional to 340,494.29, 469,903.45 and 187,532.44

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Solution

The fourth proportional to 340,494.29, 469,903.45 and 187,532.44 is: 258,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,494.29 : 469,903.45 = 187,532.44 : x
  2. Step 2: Convert to fraction form
    340,494.29/469,903.45 = 187,532.44/x
  3. Step 3: Cross multiply
    340,494.29x = 469,903.45 × 187,532.44
  4. Step 4: Simplify right side
    340,494.29x = 88,122,140,542.92
  5. Step 5: Solve for x
    x = 88,122,140,542.92/340,494.29
  6. Step 6: Final answer
    x = 258,806.51

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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.