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Finding the Fourth Proportional to 338,930.04, 467,297.89 and 248,128.36

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Solution

The fourth proportional to 338,930.04, 467,297.89 and 248,128.36 is: 342,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,930.04 : 467,297.89 = 248,128.36 : x
  2. Step 2: Convert to fraction form
    338,930.04/467,297.89 = 248,128.36/x
  3. Step 3: Cross multiply
    338,930.04x = 467,297.89 × 248,128.36
  4. Step 4: Simplify right side
    338,930.04x = 115,949,859,077.16
  5. Step 5: Solve for x
    x = 115,949,859,077.16/338,930.04
  6. Step 6: Final answer
    x = 342,105.58

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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.