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Finding the Fourth Proportional to 2,270.68, 3,406.02 and 710.62

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Solution

The fourth proportional to 2,270.68, 3,406.02 and 710.62 is: 1,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.68 : 3,406.02 = 710.62 : x
  2. Step 2: Convert to fraction form
    2,270.68/3,406.02 = 710.62/x
  3. Step 3: Cross multiply
    2,270.68x = 3,406.02 × 710.62
  4. Step 4: Simplify right side
    2,270.68x = 2,420,385.93
  5. Step 5: Solve for x
    x = 2,420,385.93/2,270.68
  6. Step 6: Final answer
    x = 1,065.93

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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.