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Finding the Fourth Proportional to 294.12, 441.36 and 282.88

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Solution

The fourth proportional to 294.12, 441.36 and 282.88 is: 424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.12 : 441.36 = 282.88 : x
  2. Step 2: Convert to fraction form
    294.12/441.36 = 282.88/x
  3. Step 3: Cross multiply
    294.12x = 441.36 × 282.88
  4. Step 4: Simplify right side
    294.12x = 124,851.92
  5. Step 5: Solve for x
    x = 124,851.92/294.12
  6. Step 6: Final answer
    x = 424.49

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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.