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Finding the Fourth Proportional to 332,714.70, 499,072.05 and 133,065.90

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Solution

The fourth proportional to 332,714.70, 499,072.05 and 133,065.90 is: 199,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,714.70 : 499,072.05 = 133,065.90 : x
  2. Step 2: Convert to fraction form
    332,714.70/499,072.05 = 133,065.90/x
  3. Step 3: Cross multiply
    332,714.70x = 499,072.05 × 133,065.90
  4. Step 4: Simplify right side
    332,714.70x = 66,409,471,498.10
  5. Step 5: Solve for x
    x = 66,409,471,498.10/332,714.70
  6. Step 6: Final answer
    x = 199,598.85

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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.