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Finding the Fourth Proportional to 1,062.76, 1,593.08 and 446.88

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Solution

The fourth proportional to 1,062.76, 1,593.08 and 446.88 is: 669.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.76 : 1,593.08 = 446.88 : x
  2. Step 2: Convert to fraction form
    1,062.76/1,593.08 = 446.88/x
  3. Step 3: Cross multiply
    1,062.76x = 1,593.08 × 446.88
  4. Step 4: Simplify right side
    1,062.76x = 711,915.59
  5. Step 5: Solve for x
    x = 711,915.59/1,062.76
  6. Step 6: Final answer
    x = 669.87

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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.