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Finding the Fourth Proportional to 322,707.87, 445,302.77 and 179,444.79

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Solution

The fourth proportional to 322,707.87, 445,302.77 and 179,444.79 is: 247,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,707.87 : 445,302.77 = 179,444.79 : x
  2. Step 2: Convert to fraction form
    322,707.87/445,302.77 = 179,444.79/x
  3. Step 3: Cross multiply
    322,707.87x = 445,302.77 × 179,444.79
  4. Step 4: Simplify right side
    322,707.87x = 79,907,261,151.84
  5. Step 5: Solve for x
    x = 79,907,261,151.84/322,707.87
  6. Step 6: Final answer
    x = 247,614.85

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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.