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Finding the Fourth Proportional to 336.06, 463.98 and 253.32

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Solution

The fourth proportional to 336.06, 463.98 and 253.32 is: 349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.06 : 463.98 = 253.32 : x
  2. Step 2: Convert to fraction form
    336.06/463.98 = 253.32/x
  3. Step 3: Cross multiply
    336.06x = 463.98 × 253.32
  4. Step 4: Simplify right side
    336.06x = 117,535.41
  5. Step 5: Solve for x
    x = 117,535.41/336.06
  6. Step 6: Final answer
    x = 349.75

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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.