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Finding the Fourth Proportional to 708.04, 1,062.52 and 297.22

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Solution

The fourth proportional to 708.04, 1,062.52 and 297.22 is: 446.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    708.04 : 1,062.52 = 297.22 : x
  2. Step 2: Convert to fraction form
    708.04/1,062.52 = 297.22/x
  3. Step 3: Cross multiply
    708.04x = 1,062.52 × 297.22
  4. Step 4: Simplify right side
    708.04x = 315,800.79
  5. Step 5: Solve for x
    x = 315,800.79/708.04
  6. Step 6: Final answer
    x = 446.02

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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.