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Finding the Fourth Proportional to 2,269.17, 3,402.83 and 708.65

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Solution

The fourth proportional to 2,269.17, 3,402.83 and 708.65 is: 1,062.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.17 : 3,402.83 = 708.65 : x
  2. Step 2: Convert to fraction form
    2,269.17/3,402.83 = 708.65/x
  3. Step 3: Cross multiply
    2,269.17x = 3,402.83 × 708.65
  4. Step 4: Simplify right side
    2,269.17x = 2,411,415.48
  5. Step 5: Solve for x
    x = 2,411,415.48/2,269.17
  6. Step 6: Final answer
    x = 1,062.69

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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.