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Finding the Fourth Proportional to 274,294.82, 378,602.94 and 159,595.62

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Solution

The fourth proportional to 274,294.82, 378,602.94 and 159,595.62 is: 220,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,294.82 : 378,602.94 = 159,595.62 : x
  2. Step 2: Convert to fraction form
    274,294.82/378,602.94 = 159,595.62/x
  3. Step 3: Cross multiply
    274,294.82x = 378,602.94 × 159,595.62
  4. Step 4: Simplify right side
    274,294.82x = 60,423,368,252.13
  5. Step 5: Solve for x
    x = 60,423,368,252.13/274,294.82
  6. Step 6: Final answer
    x = 220,286.22

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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.