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Finding the Fourth Proportional to 295,469.70, 443,204.55 and 137,714.10

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Solution

The fourth proportional to 295,469.70, 443,204.55 and 137,714.10 is: 206,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,469.70 : 443,204.55 = 137,714.10 : x
  2. Step 2: Convert to fraction form
    295,469.70/443,204.55 = 137,714.10/x
  3. Step 3: Cross multiply
    295,469.70x = 443,204.55 × 137,714.10
  4. Step 4: Simplify right side
    295,469.70x = 61,035,515,719.16
  5. Step 5: Solve for x
    x = 61,035,515,719.16/295,469.70
  6. Step 6: Final answer
    x = 206,571.15

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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.