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Finding the Fourth Proportional to 353,793.21, 488,240.45 and 192,651.40

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Solution

The fourth proportional to 353,793.21, 488,240.45 and 192,651.40 is: 265,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,793.21 : 488,240.45 = 192,651.40 : x
  2. Step 2: Convert to fraction form
    353,793.21/488,240.45 = 192,651.40/x
  3. Step 3: Cross multiply
    353,793.21x = 488,240.45 × 192,651.40
  4. Step 4: Simplify right side
    353,793.21x = 94,060,206,229.13
  5. Step 5: Solve for x
    x = 94,060,206,229.13/353,793.21
  6. Step 6: Final answer
    x = 265,862.10

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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.