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Finding the Fourth Proportional to 313,891.54, 433,150.92 and 176,062.88

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Solution

The fourth proportional to 313,891.54, 433,150.92 and 176,062.88 is: 242,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,891.54 : 433,150.92 = 176,062.88 : x
  2. Step 2: Convert to fraction form
    313,891.54/433,150.92 = 176,062.88/x
  3. Step 3: Cross multiply
    313,891.54x = 433,150.92 × 176,062.88
  4. Step 4: Simplify right side
    313,891.54x = 76,261,798,449.85
  5. Step 5: Solve for x
    x = 76,261,798,449.85/313,891.54
  6. Step 6: Final answer
    x = 242,955.89

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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.