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Finding the Fourth Proportional to 2,310.54, 3,465.81 and 579.16

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Solution

The fourth proportional to 2,310.54, 3,465.81 and 579.16 is: 868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.54 : 3,465.81 = 579.16 : x
  2. Step 2: Convert to fraction form
    2,310.54/3,465.81 = 579.16/x
  3. Step 3: Cross multiply
    2,310.54x = 3,465.81 × 579.16
  4. Step 4: Simplify right side
    2,310.54x = 2,007,258.52
  5. Step 5: Solve for x
    x = 2,007,258.52/2,310.54
  6. Step 6: Final answer
    x = 868.74

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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.