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Finding the Fourth Proportional to 2,264.94, 3,397.60 and 621.54

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Solution

The fourth proportional to 2,264.94, 3,397.60 and 621.54 is: 932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.94 : 3,397.60 = 621.54 : x
  2. Step 2: Convert to fraction form
    2,264.94/3,397.60 = 621.54/x
  3. Step 3: Cross multiply
    2,264.94x = 3,397.60 × 621.54
  4. Step 4: Simplify right side
    2,264.94x = 2,111,744.30
  5. Step 5: Solve for x
    x = 2,111,744.30/2,264.94
  6. Step 6: Final answer
    x = 932.36

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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.