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Finding the Fourth Proportional to 462.42, 693.86 and 246

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Solution

The fourth proportional to 462.42, 693.86 and 246 is: 369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.42 : 693.86 = 246 : x
  2. Step 2: Convert to fraction form
    462.42/693.86 = 246/x
  3. Step 3: Cross multiply
    462.42x = 693.86 × 246
  4. Step 4: Simplify right side
    462.42x = 170,688.33
  5. Step 5: Solve for x
    x = 170,688.33/462.42
  6. Step 6: Final answer
    x = 369.12

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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.