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Finding the Fourth Proportional to 207,484.52, 311,227.04 and 57,724.88

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Solution

The fourth proportional to 207,484.52, 311,227.04 and 57,724.88 is: 86,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,484.52 : 311,227.04 = 57,724.88 : x
  2. Step 2: Convert to fraction form
    207,484.52/311,227.04 = 57,724.88/x
  3. Step 3: Cross multiply
    207,484.52x = 311,227.04 × 57,724.88
  4. Step 4: Simplify right side
    207,484.52x = 17,965,543,536.76
  5. Step 5: Solve for x
    x = 17,965,543,536.76/207,484.52
  6. Step 6: Final answer
    x = 86,587.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.