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Finding the Fourth Proportional to 354,704.94, 489,503.23 and 193,570.38

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Solution

The fourth proportional to 354,704.94, 489,503.23 and 193,570.38 is: 267,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,704.94 : 489,503.23 = 193,570.38 : x
  2. Step 2: Convert to fraction form
    354,704.94/489,503.23 = 193,570.38/x
  3. Step 3: Cross multiply
    354,704.94x = 489,503.23 × 193,570.38
  4. Step 4: Simplify right side
    354,704.94x = 94,753,325,758.40
  5. Step 5: Solve for x
    x = 94,753,325,758.40/354,704.94
  6. Step 6: Final answer
    x = 267,132.81

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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.