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Finding the Fourth Proportional to 327,063.30, 490,230.45 and 127,317.30

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Solution

The fourth proportional to 327,063.30, 490,230.45 and 127,317.30 is: 190,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,063.30 : 490,230.45 = 127,317.30 : x
  2. Step 2: Convert to fraction form
    327,063.30/490,230.45 = 127,317.30/x
  3. Step 3: Cross multiply
    327,063.30x = 490,230.45 × 127,317.30
  4. Step 4: Simplify right side
    327,063.30x = 62,414,817,271.79
  5. Step 5: Solve for x
    x = 62,414,817,271.79/327,063.30
  6. Step 6: Final answer
    x = 190,834.06

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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.