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Finding the Fourth Proportional to 707.91, 1,062.18 and 246.01

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Solution

The fourth proportional to 707.91, 1,062.18 and 246.01 is: 369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.91 : 1,062.18 = 246.01 : x
  2. Step 2: Convert to fraction form
    707.91/1,062.18 = 246.01/x
  3. Step 3: Cross multiply
    707.91x = 1,062.18 × 246.01
  4. Step 4: Simplify right side
    707.91x = 261,306.90
  5. Step 5: Solve for x
    x = 261,306.90/707.91
  6. Step 6: Final answer
    x = 369.12

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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.