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Finding the Fourth Proportional to 353,999.30, 488,524.32 and 192,854.30

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Solution

The fourth proportional to 353,999.30, 488,524.32 and 192,854.30 is: 266,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,999.30 : 488,524.32 = 192,854.30 : x
  2. Step 2: Convert to fraction form
    353,999.30/488,524.32 = 192,854.30/x
  3. Step 3: Cross multiply
    353,999.30x = 488,524.32 × 192,854.30
  4. Step 4: Simplify right side
    353,999.30x = 94,214,015,766.58
  5. Step 5: Solve for x
    x = 94,214,015,766.58/353,999.30
  6. Step 6: Final answer
    x = 266,141.81

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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.