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Finding the Fourth Proportional to 313,701.12, 432,933.12 and 179,573.76

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Solution

The fourth proportional to 313,701.12, 432,933.12 and 179,573.76 is: 247,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,701.12 : 432,933.12 = 179,573.76 : x
  2. Step 2: Convert to fraction form
    313,701.12/432,933.12 = 179,573.76/x
  3. Step 3: Cross multiply
    313,701.12x = 432,933.12 × 179,573.76
  4. Step 4: Simplify right side
    313,701.12x = 77,743,428,186.93
  5. Step 5: Solve for x
    x = 77,743,428,186.93/313,701.12
  6. Step 6: Final answer
    x = 247,826.43

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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.