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Finding the Fourth Proportional to 234,100.16, 323,281.36 and 221,348.48

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Solution

The fourth proportional to 234,100.16, 323,281.36 and 221,348.48 is: 305,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,100.16 : 323,281.36 = 221,348.48 : x
  2. Step 2: Convert to fraction form
    234,100.16/323,281.36 = 221,348.48/x
  3. Step 3: Cross multiply
    234,100.16x = 323,281.36 × 221,348.48
  4. Step 4: Simplify right side
    234,100.16x = 71,557,837,648.33
  5. Step 5: Solve for x
    x = 71,557,837,648.33/234,100.16
  6. Step 6: Final answer
    x = 305,671.89

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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.