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Finding the Fourth Proportional to 475,479.85, 656,229.48 and 294,250.15

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Solution

The fourth proportional to 475,479.85, 656,229.48 and 294,250.15 is: 406,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,479.85 : 656,229.48 = 294,250.15 : x
  2. Step 2: Convert to fraction form
    475,479.85/656,229.48 = 294,250.15/x
  3. Step 3: Cross multiply
    475,479.85x = 656,229.48 × 294,250.15
  4. Step 4: Simplify right side
    475,479.85x = 193,095,618,172.02
  5. Step 5: Solve for x
    x = 193,095,618,172.02/475,479.85
  6. Step 6: Final answer
    x = 406,106.84

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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.