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Finding the Fourth Proportional to 361,297.38, 498,673.32 and 240,443.76

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Solution

The fourth proportional to 361,297.38, 498,673.32 and 240,443.76 is: 331,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,297.38 : 498,673.32 = 240,443.76 : x
  2. Step 2: Convert to fraction form
    361,297.38/498,673.32 = 240,443.76/x
  3. Step 3: Cross multiply
    361,297.38x = 498,673.32 × 240,443.76
  4. Step 4: Simplify right side
    361,297.38x = 119,902,888,072.48
  5. Step 5: Solve for x
    x = 119,902,888,072.48/361,297.38
  6. Step 6: Final answer
    x = 331,867.58

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1.5x scale

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.