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Finding the Fourth Proportional to 321,883.65, 444,190.77 and 176,689.53

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Solution

The fourth proportional to 321,883.65, 444,190.77 and 176,689.53 is: 243,826.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,883.65 : 444,190.77 = 176,689.53 : x
  2. Step 2: Convert to fraction form
    321,883.65/444,190.77 = 176,689.53/x
  3. Step 3: Cross multiply
    321,883.65x = 444,190.77 × 176,689.53
  4. Step 4: Simplify right side
    321,883.65x = 78,483,858,381.64
  5. Step 5: Solve for x
    x = 78,483,858,381.64/321,883.65
  6. Step 6: Final answer
    x = 243,826.79

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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.