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Finding the Fourth Proportional to 1,063.57, 1,593.19 and 484.69

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Solution

The fourth proportional to 1,063.57, 1,593.19 and 484.69 is: 726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.57 : 1,593.19 = 484.69 : x
  2. Step 2: Convert to fraction form
    1,063.57/1,593.19 = 484.69/x
  3. Step 3: Cross multiply
    1,063.57x = 1,593.19 × 484.69
  4. Step 4: Simplify right side
    1,063.57x = 772,203.26
  5. Step 5: Solve for x
    x = 772,203.26/1,063.57
  6. Step 6: Final answer
    x = 726.05

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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.