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Finding the Fourth Proportional to 1,548.61, 2,322.92 and 452.95

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Solution

The fourth proportional to 1,548.61, 2,322.92 and 452.95 is: 679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.61 : 2,322.92 = 452.95 : x
  2. Step 2: Convert to fraction form
    1,548.61/2,322.92 = 452.95/x
  3. Step 3: Cross multiply
    1,548.61x = 2,322.92 × 452.95
  4. Step 4: Simplify right side
    1,548.61x = 1,052,166.61
  5. Step 5: Solve for x
    x = 1,052,166.61/1,548.61
  6. Step 6: Final answer
    x = 679.43

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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.