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Finding the Fourth Proportional to 1,350.65, 2,025.98 and 484.76

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Solution

The fourth proportional to 1,350.65, 2,025.98 and 484.76 is: 727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.65 : 2,025.98 = 484.76 : x
  2. Step 2: Convert to fraction form
    1,350.65/2,025.98 = 484.76/x
  3. Step 3: Cross multiply
    1,350.65x = 2,025.98 × 484.76
  4. Step 4: Simplify right side
    1,350.65x = 982,114.06
  5. Step 5: Solve for x
    x = 982,114.06/1,350.65
  6. Step 6: Final answer
    x = 727.14

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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.