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Finding the Fourth Proportional to 327,133.04, 490,699.52 and 105,517.04

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Solution

The fourth proportional to 327,133.04, 490,699.52 and 105,517.04 is: 158,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,133.04 : 490,699.52 = 105,517.04 : x
  2. Step 2: Convert to fraction form
    327,133.04/490,699.52 = 105,517.04/x
  3. Step 3: Cross multiply
    327,133.04x = 490,699.52 × 105,517.04
  4. Step 4: Simplify right side
    327,133.04x = 51,777,160,879.82
  5. Step 5: Solve for x
    x = 51,777,160,879.82/327,133.04
  6. Step 6: Final answer
    x = 158,275.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.