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Finding the Fourth Proportional to 356.71, 534.10 and 336.23

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Solution

The fourth proportional to 356.71, 534.10 and 336.23 is: 503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.71 : 534.10 = 336.23 : x
  2. Step 2: Convert to fraction form
    356.71/534.10 = 336.23/x
  3. Step 3: Cross multiply
    356.71x = 534.10 × 336.23
  4. Step 4: Simplify right side
    356.71x = 179,578.76
  5. Step 5: Solve for x
    x = 179,578.76/356.71
  6. Step 6: Final answer
    x = 503.44

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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.