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Finding the Fourth Proportional to 530.17, 794.81 and 222.26

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Solution

The fourth proportional to 530.17, 794.81 and 222.26 is: 333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.17 : 794.81 = 222.26 : x
  2. Step 2: Convert to fraction form
    530.17/794.81 = 222.26/x
  3. Step 3: Cross multiply
    530.17x = 794.81 × 222.26
  4. Step 4: Simplify right side
    530.17x = 176,651.05
  5. Step 5: Solve for x
    x = 176,651.05/530.17
  6. Step 6: Final answer
    x = 333.20

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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.