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Finding the Fourth Proportional to 294.84, 406.76 and 190.01

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Solution

The fourth proportional to 294.84, 406.76 and 190.01 is: 262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.84 : 406.76 = 190.01 : x
  2. Step 2: Convert to fraction form
    294.84/406.76 = 190.01/x
  3. Step 3: Cross multiply
    294.84x = 406.76 × 190.01
  4. Step 4: Simplify right side
    294.84x = 77,288.53
  5. Step 5: Solve for x
    x = 77,288.53/294.84
  6. Step 6: Final answer
    x = 262.14

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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.