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Finding the Fourth Proportional to 425.04, 586.61 and 294.22

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Solution

The fourth proportional to 425.04, 586.61 and 294.22 is: 406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    425.04 : 586.61 = 294.22 : x
  2. Step 2: Convert to fraction form
    425.04/586.61 = 294.22/x
  3. Step 3: Cross multiply
    425.04x = 586.61 × 294.22
  4. Step 4: Simplify right side
    425.04x = 172,592.39
  5. Step 5: Solve for x
    x = 172,592.39/425.04
  6. Step 6: Final answer
    x = 406.06

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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.