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Finding the Fourth Proportional to 1,766.94, 2,650.55 and 468.38

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Solution

The fourth proportional to 1,766.94, 2,650.55 and 468.38 is: 702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.94 : 2,650.55 = 468.38 : x
  2. Step 2: Convert to fraction form
    1,766.94/2,650.55 = 468.38/x
  3. Step 3: Cross multiply
    1,766.94x = 2,650.55 × 468.38
  4. Step 4: Simplify right side
    1,766.94x = 1,241,449.01
  5. Step 5: Solve for x
    x = 1,241,449.01/1,766.94
  6. Step 6: Final answer
    x = 702.60

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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.