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Finding the Fourth Proportional to 234,874.32, 324,366.84 and 219,827.76

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Solution

The fourth proportional to 234,874.32, 324,366.84 and 219,827.76 is: 303,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,874.32 : 324,366.84 = 219,827.76 : x
  2. Step 2: Convert to fraction form
    234,874.32/324,366.84 = 219,827.76/x
  3. Step 3: Cross multiply
    234,874.32x = 324,366.84 × 219,827.76
  4. Step 4: Simplify right side
    234,874.32x = 71,304,835,855.48
  5. Step 5: Solve for x
    x = 71,304,835,855.48/234,874.32
  6. Step 6: Final answer
    x = 303,587.19

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1.5x scale

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.