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Finding the Fourth Proportional to 508.16, 701.44 and 369.92

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Solution

The fourth proportional to 508.16, 701.44 and 369.92 is: 510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.16 : 701.44 = 369.92 : x
  2. Step 2: Convert to fraction form
    508.16/701.44 = 369.92/x
  3. Step 3: Cross multiply
    508.16x = 701.44 × 369.92
  4. Step 4: Simplify right side
    508.16x = 259,476.68
  5. Step 5: Solve for x
    x = 259,476.68/508.16
  6. Step 6: Final answer
    x = 510.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.