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Finding the Fourth Proportional to 616.84, 925.40 and 183.98

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Solution

The fourth proportional to 616.84, 925.40 and 183.98 is: 276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.84 : 925.40 = 183.98 : x
  2. Step 2: Convert to fraction form
    616.84/925.40 = 183.98/x
  3. Step 3: Cross multiply
    616.84x = 925.40 × 183.98
  4. Step 4: Simplify right side
    616.84x = 170,255.09
  5. Step 5: Solve for x
    x = 170,255.09/616.84
  6. Step 6: Final answer
    x = 276.01

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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.