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Finding the Fourth Proportional to 321,751.65, 444,070.58 and 178,557.69

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Solution

The fourth proportional to 321,751.65, 444,070.58 and 178,557.69 is: 246,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,751.65 : 444,070.58 = 178,557.69 : x
  2. Step 2: Convert to fraction form
    321,751.65/444,070.58 = 178,557.69/x
  3. Step 3: Cross multiply
    321,751.65x = 444,070.58 × 178,557.69
  4. Step 4: Simplify right side
    321,751.65x = 79,292,216,068.97
  5. Step 5: Solve for x
    x = 79,292,216,068.97/321,751.65
  6. Step 6: Final answer
    x = 246,439.19

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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.