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Finding the Fourth Proportional to 1,062.30, 1,594.07 and 445.96

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Solution

The fourth proportional to 1,062.30, 1,594.07 and 445.96 is: 669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.30 : 1,594.07 = 445.96 : x
  2. Step 2: Convert to fraction form
    1,062.30/1,594.07 = 445.96/x
  3. Step 3: Cross multiply
    1,062.30x = 1,594.07 × 445.96
  4. Step 4: Simplify right side
    1,062.30x = 710,891.46
  5. Step 5: Solve for x
    x = 710,891.46/1,062.30
  6. Step 6: Final answer
    x = 669.20

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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.