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Finding the Fourth Proportional to 321,758.48, 444,054.28 and 176,592.32

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Solution

The fourth proportional to 321,758.48, 444,054.28 and 176,592.32 is: 243,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,758.48 : 444,054.28 = 176,592.32 : x
  2. Step 2: Convert to fraction form
    321,758.48/444,054.28 = 176,592.32/x
  3. Step 3: Cross multiply
    321,758.48x = 444,054.28 × 176,592.32
  4. Step 4: Simplify right side
    321,758.48x = 78,416,572,849.38
  5. Step 5: Solve for x
    x = 78,416,572,849.38/321,758.48
  6. Step 6: Final answer
    x = 243,712.53

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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.