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Finding the Fourth Proportional to 340,841.82, 470,340.24 and 187,871.58

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Solution

The fourth proportional to 340,841.82, 470,340.24 and 187,871.58 is: 259,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,841.82 : 470,340.24 = 187,871.58 : x
  2. Step 2: Convert to fraction form
    340,841.82/470,340.24 = 187,871.58/x
  3. Step 3: Cross multiply
    340,841.82x = 470,340.24 × 187,871.58
  4. Step 4: Simplify right side
    340,841.82x = 88,363,564,026.38
  5. Step 5: Solve for x
    x = 88,363,564,026.38/340,841.82
  6. Step 6: Final answer
    x = 259,250.95

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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.