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Finding the Fourth Proportional to 321,954.65, 444,289.19 and 176,759.72

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Solution

The fourth proportional to 321,954.65, 444,289.19 and 176,759.72 is: 243,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,954.65 : 444,289.19 = 176,759.72 : x
  2. Step 2: Convert to fraction form
    321,954.65/444,289.19 = 176,759.72/x
  3. Step 3: Cross multiply
    321,954.65x = 444,289.19 × 176,759.72
  4. Step 4: Simplify right side
    321,954.65x = 78,532,429,718.18
  5. Step 5: Solve for x
    x = 78,532,429,718.18/321,954.65
  6. Step 6: Final answer
    x = 243,923.89

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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.