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Finding the Fourth Proportional to 616.24, 924.34 and 372.84

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Solution

The fourth proportional to 616.24, 924.34 and 372.84 is: 559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.24 : 924.34 = 372.84 : x
  2. Step 2: Convert to fraction form
    616.24/924.34 = 372.84/x
  3. Step 3: Cross multiply
    616.24x = 924.34 × 372.84
  4. Step 4: Simplify right side
    616.24x = 344,630.93
  5. Step 5: Solve for x
    x = 344,630.93/616.24
  6. Step 6: Final answer
    x = 559.25

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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.