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Finding the Fourth Proportional to 375.35, 562.40 and 190.01

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Solution

The fourth proportional to 375.35, 562.40 and 190.01 is: 284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.35 : 562.40 = 190.01 : x
  2. Step 2: Convert to fraction form
    375.35/562.40 = 190.01/x
  3. Step 3: Cross multiply
    375.35x = 562.40 × 190.01
  4. Step 4: Simplify right side
    375.35x = 106,857.86
  5. Step 5: Solve for x
    x = 106,857.86/375.35
  6. Step 6: Final answer
    x = 284.69

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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.