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Finding the Fourth Proportional to 492,209.78, 737,167.46 and 475,162.45

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Solution

The fourth proportional to 492,209.78, 737,167.46 and 475,162.45 is: 711,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,209.78 : 737,167.46 = 475,162.45 : x
  2. Step 2: Convert to fraction form
    492,209.78/737,167.46 = 475,162.45/x
  3. Step 3: Cross multiply
    492,209.78x = 737,167.46 × 475,162.45
  4. Step 4: Simplify right side
    492,209.78x = 350,274,292,135.15
  5. Step 5: Solve for x
    x = 350,274,292,135.15/492,209.78
  6. Step 6: Final answer
    x = 711,636.20

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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.