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Finding the Fourth Proportional to 282.69, 424.44 and 174.56

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Solution

The fourth proportional to 282.69, 424.44 and 174.56 is: 262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.69 : 424.44 = 174.56 : x
  2. Step 2: Convert to fraction form
    282.69/424.44 = 174.56/x
  3. Step 3: Cross multiply
    282.69x = 424.44 × 174.56
  4. Step 4: Simplify right side
    282.69x = 74,088.12
  5. Step 5: Solve for x
    x = 74,088.12/282.69
  6. Step 6: Final answer
    x = 262.08

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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.