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Finding the Fourth Proportional to 425.36, 586.75 and 294.14

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Solution

The fourth proportional to 425.36, 586.75 and 294.14 is: 405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    425.36 : 586.75 = 294.14 : x
  2. Step 2: Convert to fraction form
    425.36/586.75 = 294.14/x
  3. Step 3: Cross multiply
    425.36x = 586.75 × 294.14
  4. Step 4: Simplify right side
    425.36x = 172,582.98
  5. Step 5: Solve for x
    x = 172,582.98/425.36
  6. Step 6: Final answer
    x = 405.74

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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.