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Finding the Fourth Proportional to 352,452.73, 486,371.65 and 191,304.31

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Solution

The fourth proportional to 352,452.73, 486,371.65 and 191,304.31 is: 263,992.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,452.73 : 486,371.65 = 191,304.31 : x
  2. Step 2: Convert to fraction form
    352,452.73/486,371.65 = 191,304.31/x
  3. Step 3: Cross multiply
    352,452.73x = 486,371.65 × 191,304.31
  4. Step 4: Simplify right side
    352,452.73x = 93,044,989,518.43
  5. Step 5: Solve for x
    x = 93,044,989,518.43/352,452.73
  6. Step 6: Final answer
    x = 263,992.82

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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.