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Finding the Fourth Proportional to 1,062.90, 1,594.97 and 446.55

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Solution

The fourth proportional to 1,062.90, 1,594.97 and 446.55 is: 670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.90 : 1,594.97 = 446.55 : x
  2. Step 2: Convert to fraction form
    1,062.90/1,594.97 = 446.55/x
  3. Step 3: Cross multiply
    1,062.90x = 1,594.97 × 446.55
  4. Step 4: Simplify right side
    1,062.90x = 712,231.62
  5. Step 5: Solve for x
    x = 712,231.62/1,062.90
  6. Step 6: Final answer
    x = 670.08

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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.