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Finding the Fourth Proportional to 245,893.20, 368,839.80 and 241,956.60

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Solution

The fourth proportional to 245,893.20, 368,839.80 and 241,956.60 is: 362,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,893.20 : 368,839.80 = 241,956.60 : x
  2. Step 2: Convert to fraction form
    245,893.20/368,839.80 = 241,956.60/x
  3. Step 3: Cross multiply
    245,893.20x = 368,839.80 × 241,956.60
  4. Step 4: Simplify right side
    245,893.20x = 89,243,223,952.68
  5. Step 5: Solve for x
    x = 89,243,223,952.68/245,893.20
  6. Step 6: Final answer
    x = 362,934.90

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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.