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Finding the Fourth Proportional to 375.35, 562.95 and 144.08

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Solution

The fourth proportional to 375.35, 562.95 and 144.08 is: 216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.35 : 562.95 = 144.08 : x
  2. Step 2: Convert to fraction form
    375.35/562.95 = 144.08/x
  3. Step 3: Cross multiply
    375.35x = 562.95 × 144.08
  4. Step 4: Simplify right side
    375.35x = 81,109.84
  5. Step 5: Solve for x
    x = 81,109.84/375.35
  6. Step 6: Final answer
    x = 216.09

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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.