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Finding the Fourth Proportional to 294.50, 406.18 and 183.77

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Solution

The fourth proportional to 294.50, 406.18 and 183.77 is: 253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.50 : 406.18 = 183.77 : x
  2. Step 2: Convert to fraction form
    294.50/406.18 = 183.77/x
  3. Step 3: Cross multiply
    294.50x = 406.18 × 183.77
  4. Step 4: Simplify right side
    294.50x = 74,643.70
  5. Step 5: Solve for x
    x = 74,643.70/294.50
  6. Step 6: Final answer
    x = 253.46

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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.