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Finding the Fourth Proportional to 2,318.09, 3,477.15 and 586.71

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Solution

The fourth proportional to 2,318.09, 3,477.15 and 586.71 is: 880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.09 : 3,477.15 = 586.71 : x
  2. Step 2: Convert to fraction form
    2,318.09/3,477.15 = 586.71/x
  3. Step 3: Cross multiply
    2,318.09x = 3,477.15 × 586.71
  4. Step 4: Simplify right side
    2,318.09x = 2,040,078.68
  5. Step 5: Solve for x
    x = 2,040,078.68/2,318.09
  6. Step 6: Final answer
    x = 880.07

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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.