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Finding the Fourth Proportional to 354.84, 532 and 181.48

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Solution

The fourth proportional to 354.84, 532 and 181.48 is: 272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.84 : 532 = 181.48 : x
  2. Step 2: Convert to fraction form
    354.84/532 = 181.48/x
  3. Step 3: Cross multiply
    354.84x = 532 × 181.48
  4. Step 4: Simplify right side
    354.84x = 96,547.36
  5. Step 5: Solve for x
    x = 96,547.36/354.84
  6. Step 6: Final answer
    x = 272.09

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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.