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Finding the Fourth Proportional to 332,885.42, 499,453.92 and 199,858.40

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Solution

The fourth proportional to 332,885.42, 499,453.92 and 199,858.40 is: 299,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,885.42 : 499,453.92 = 199,858.40 : x
  2. Step 2: Convert to fraction form
    332,885.42/499,453.92 = 199,858.40/x
  3. Step 3: Cross multiply
    332,885.42x = 499,453.92 × 199,858.40
  4. Step 4: Simplify right side
    332,885.42x = 99,820,060,325.64
  5. Step 5: Solve for x
    x = 99,820,060,325.64/332,885.42
  6. Step 6: Final answer
    x = 299,863.12

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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.