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Finding the Fourth Proportional to 616.42, 924.76 and 183.60

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Solution

The fourth proportional to 616.42, 924.76 and 183.60 is: 275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.42 : 924.76 = 183.60 : x
  2. Step 2: Convert to fraction form
    616.42/924.76 = 183.60/x
  3. Step 3: Cross multiply
    616.42x = 924.76 × 183.60
  4. Step 4: Simplify right side
    616.42x = 169,785.94
  5. Step 5: Solve for x
    x = 169,785.94/616.42
  6. Step 6: Final answer
    x = 275.44

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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.