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Finding the Fourth Proportional to 353,902.50, 488,382.84 and 192,757.05

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Solution

The fourth proportional to 353,902.50, 488,382.84 and 192,757.05 is: 266,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,902.50 : 488,382.84 = 192,757.05 : x
  2. Step 2: Convert to fraction form
    353,902.50/488,382.84 = 192,757.05/x
  3. Step 3: Cross multiply
    353,902.50x = 488,382.84 × 192,757.05
  4. Step 4: Simplify right side
    353,902.50x = 94,139,235,509.02
  5. Step 5: Solve for x
    x = 94,139,235,509.02/353,902.50
  6. Step 6: Final answer
    x = 266,003.31

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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.