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Finding the Fourth Proportional to 252,505.43, 348,919.40 and 240,204.77

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Solution

The fourth proportional to 252,505.43, 348,919.40 and 240,204.77 is: 331,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,505.43 : 348,919.40 = 240,204.77 : x
  2. Step 2: Convert to fraction form
    252,505.43/348,919.40 = 240,204.77/x
  3. Step 3: Cross multiply
    252,505.43x = 348,919.40 × 240,204.77
  4. Step 4: Simplify right side
    252,505.43x = 83,812,103,896.81
  5. Step 5: Solve for x
    x = 83,812,103,896.81/252,505.43
  6. Step 6: Final answer
    x = 331,921.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.