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Finding the Fourth Proportional to 1,064.05, 1,593.19 and 549.97

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Solution

The fourth proportional to 1,064.05, 1,593.19 and 549.97 is: 823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.05 : 1,593.19 = 549.97 : x
  2. Step 2: Convert to fraction form
    1,064.05/1,593.19 = 549.97/x
  3. Step 3: Cross multiply
    1,064.05x = 1,593.19 × 549.97
  4. Step 4: Simplify right side
    1,064.05x = 876,206.70
  5. Step 5: Solve for x
    x = 876,206.70/1,064.05
  6. Step 6: Final answer
    x = 823.46

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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.