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Finding the Fourth Proportional to 341,960.16, 471,890.33 and 188,990.44

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Solution

The fourth proportional to 341,960.16, 471,890.33 and 188,990.44 is: 260,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,960.16 : 471,890.33 = 188,990.44 : x
  2. Step 2: Convert to fraction form
    341,960.16/471,890.33 = 188,990.44/x
  3. Step 3: Cross multiply
    341,960.16x = 471,890.33 × 188,990.44
  4. Step 4: Simplify right side
    341,960.16x = 89,182,761,098.45
  5. Step 5: Solve for x
    x = 89,182,761,098.45/341,960.16
  6. Step 6: Final answer
    x = 260,798.69

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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.