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Finding the Fourth Proportional to 616.41, 924.98 and 231.93

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Solution

The fourth proportional to 616.41, 924.98 and 231.93 is: 348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.41 : 924.98 = 231.93 : x
  2. Step 2: Convert to fraction form
    616.41/924.98 = 231.93/x
  3. Step 3: Cross multiply
    616.41x = 924.98 × 231.93
  4. Step 4: Simplify right side
    616.41x = 214,529.45
  5. Step 5: Solve for x
    x = 214,529.45/616.41
  6. Step 6: Final answer
    x = 348.03

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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.