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Finding the Fourth Proportional to 475,614.43, 656,348.80 and 257,822.44

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Solution

The fourth proportional to 475,614.43, 656,348.80 and 257,822.44 is: 355,795.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,614.43 : 656,348.80 = 257,822.44 : x
  2. Step 2: Convert to fraction form
    475,614.43/656,348.80 = 257,822.44/x
  3. Step 3: Cross multiply
    475,614.43x = 656,348.80 × 257,822.44
  4. Step 4: Simplify right side
    475,614.43x = 169,221,445,107.57
  5. Step 5: Solve for x
    x = 169,221,445,107.57/475,614.43
  6. Step 6: Final answer
    x = 355,795.44

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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.