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Finding the Fourth Proportional to 1,062.66, 1,593.42 and 446.18

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Solution

The fourth proportional to 1,062.66, 1,593.42 and 446.18 is: 669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.66 : 1,593.42 = 446.18 : x
  2. Step 2: Convert to fraction form
    1,062.66/1,593.42 = 446.18/x
  3. Step 3: Cross multiply
    1,062.66x = 1,593.42 × 446.18
  4. Step 4: Simplify right side
    1,062.66x = 710,952.14
  5. Step 5: Solve for x
    x = 710,952.14/1,062.66
  6. Step 6: Final answer
    x = 669.03

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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.