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Finding the Fourth Proportional to 297,967.60, 446,951.40 and 238,918.60

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Solution

The fourth proportional to 297,967.60, 446,951.40 and 238,918.60 is: 358,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,967.60 : 446,951.40 = 238,918.60 : x
  2. Step 2: Convert to fraction form
    297,967.60/446,951.40 = 238,918.60/x
  3. Step 3: Cross multiply
    297,967.60x = 446,951.40 × 238,918.60
  4. Step 4: Simplify right side
    297,967.60x = 106,785,002,756.04
  5. Step 5: Solve for x
    x = 106,785,002,756.04/297,967.60
  6. Step 6: Final answer
    x = 358,377.90

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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.