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Finding the Fourth Proportional to 475,479.80, 656,229.39 and 294,250.10

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Solution

The fourth proportional to 475,479.80, 656,229.39 and 294,250.10 is: 406,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,479.80 : 656,229.39 = 294,250.10 : x
  2. Step 2: Convert to fraction form
    475,479.80/656,229.39 = 294,250.10/x
  3. Step 3: Cross multiply
    475,479.80x = 656,229.39 × 294,250.10
  4. Step 4: Simplify right side
    475,479.80x = 193,095,560,349.29
  5. Step 5: Solve for x
    x = 193,095,560,349.29/475,479.80
  6. Step 6: Final answer
    x = 406,106.76

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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.