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Finding the Fourth Proportional to 245,894.40, 368,150.40 and 238,982.40

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Solution

The fourth proportional to 245,894.40, 368,150.40 and 238,982.40 is: 357,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,894.40 : 368,150.40 = 238,982.40 : x
  2. Step 2: Convert to fraction form
    245,894.40/368,150.40 = 238,982.40/x
  3. Step 3: Cross multiply
    245,894.40x = 368,150.40 × 238,982.40
  4. Step 4: Simplify right side
    245,894.40x = 87,981,466,152.96
  5. Step 5: Solve for x
    x = 87,981,466,152.96/245,894.40
  6. Step 6: Final answer
    x = 357,801.83

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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.