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Finding the Fourth Proportional to 336,042.20, 504,209.10 and 169,830.20

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Solution

The fourth proportional to 336,042.20, 504,209.10 and 169,830.20 is: 254,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,042.20 : 504,209.10 = 169,830.20 : x
  2. Step 2: Convert to fraction form
    336,042.20/504,209.10 = 169,830.20/x
  3. Step 3: Cross multiply
    336,042.20x = 504,209.10 × 169,830.20
  4. Step 4: Simplify right side
    336,042.20x = 85,629,932,294.82
  5. Step 5: Solve for x
    x = 85,629,932,294.82/336,042.20
  6. Step 6: Final answer
    x = 254,818.98

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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.