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Finding the Fourth Proportional to 321,751.24, 444,008.25 and 176,556.58

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Solution

The fourth proportional to 321,751.24, 444,008.25 and 176,556.58 is: 243,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,751.24 : 444,008.25 = 176,556.58 : x
  2. Step 2: Convert to fraction form
    321,751.24/444,008.25 = 176,556.58/x
  3. Step 3: Cross multiply
    321,751.24x = 444,008.25 × 176,556.58
  4. Step 4: Simplify right side
    321,751.24x = 78,392,578,111.79
  5. Step 5: Solve for x
    x = 78,392,578,111.79/321,751.24
  6. Step 6: Final answer
    x = 243,643.44

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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.