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Finding the Fourth Proportional to 322,312.68, 444,805.34 and 179,072.72

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Solution

The fourth proportional to 322,312.68, 444,805.34 and 179,072.72 is: 247,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,312.68 : 444,805.34 = 179,072.72 : x
  2. Step 2: Convert to fraction form
    322,312.68/444,805.34 = 179,072.72/x
  3. Step 3: Cross multiply
    322,312.68x = 444,805.34 × 179,072.72
  4. Step 4: Simplify right side
    322,312.68x = 79,652,502,104.32
  5. Step 5: Solve for x
    x = 79,652,502,104.32/322,312.68
  6. Step 6: Final answer
    x = 247,128.04

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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.