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Finding the Fourth Proportional to 321,758.73, 444,054.62 and 176,592.57

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Solution

The fourth proportional to 321,758.73, 444,054.62 and 176,592.57 is: 243,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,758.73 : 444,054.62 = 176,592.57 : x
  2. Step 2: Convert to fraction form
    321,758.73/444,054.62 = 176,592.57/x
  3. Step 3: Cross multiply
    321,758.73x = 444,054.62 × 176,592.57
  4. Step 4: Simplify right side
    321,758.73x = 78,416,746,566.17
  5. Step 5: Solve for x
    x = 78,416,746,566.17/321,758.73
  6. Step 6: Final answer
    x = 243,712.88

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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.