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Finding the Fourth Proportional to 322,731.93, 445,385.84 and 179,488.90

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Solution

The fourth proportional to 322,731.93, 445,385.84 and 179,488.90 is: 247,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,731.93 : 445,385.84 = 179,488.90 : x
  2. Step 2: Convert to fraction form
    322,731.93/445,385.84 = 179,488.90/x
  3. Step 3: Cross multiply
    322,731.93x = 445,385.84 × 179,488.90
  4. Step 4: Simplify right side
    322,731.93x = 79,941,811,372.80
  5. Step 5: Solve for x
    x = 79,941,811,372.80/322,731.93
  6. Step 6: Final answer
    x = 247,703.45

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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.