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Finding the Fourth Proportional to 1,064.70, 1,469.43 and 599.04

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Solution

The fourth proportional to 1,064.70, 1,469.43 and 599.04 is: 826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.70 : 1,469.43 = 599.04 : x
  2. Step 2: Convert to fraction form
    1,064.70/1,469.43 = 599.04/x
  3. Step 3: Cross multiply
    1,064.70x = 1,469.43 × 599.04
  4. Step 4: Simplify right side
    1,064.70x = 880,247.35
  5. Step 5: Solve for x
    x = 880,247.35/1,064.70
  6. Step 6: Final answer
    x = 826.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.