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Finding the Fourth Proportional to 354,704.22, 489,502.22 and 193,569.66

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Solution

The fourth proportional to 354,704.22, 489,502.22 and 193,569.66 is: 267,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,704.22 : 489,502.22 = 193,569.66 : x
  2. Step 2: Convert to fraction form
    354,704.22/489,502.22 = 193,569.66/x
  3. Step 3: Cross multiply
    354,704.22x = 489,502.22 × 193,569.66
  4. Step 4: Simplify right side
    354,704.22x = 94,752,777,326.80
  5. Step 5: Solve for x
    x = 94,752,777,326.80/354,704.22
  6. Step 6: Final answer
    x = 267,131.80

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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.