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Finding the Fourth Proportional to 400,713.03, 600,115.50 and 231,877.62

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Solution

The fourth proportional to 400,713.03, 600,115.50 and 231,877.62 is: 347,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,713.03 : 600,115.50 = 231,877.62 : x
  2. Step 2: Convert to fraction form
    400,713.03/600,115.50 = 231,877.62/x
  3. Step 3: Cross multiply
    400,713.03x = 600,115.50 × 231,877.62
  4. Step 4: Simplify right side
    400,713.03x = 139,153,353,865.11
  5. Step 5: Solve for x
    x = 139,153,353,865.11/400,713.03
  6. Step 6: Final answer
    x = 347,264.36

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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.