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Finding the Fourth Proportional to 313,348.98, 432,375.96 and 179,187.06

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Solution

The fourth proportional to 313,348.98, 432,375.96 and 179,187.06 is: 247,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,348.98 : 432,375.96 = 179,187.06 : x
  2. Step 2: Convert to fraction form
    313,348.98/432,375.96 = 179,187.06/x
  3. Step 3: Cross multiply
    313,348.98x = 432,375.96 × 179,187.06
  4. Step 4: Simplify right side
    313,348.98x = 77,476,177,087.08
  5. Step 5: Solve for x
    x = 77,476,177,087.08/313,348.98
  6. Step 6: Final answer
    x = 247,252.05

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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.