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Finding the Fourth Proportional to 529.98, 794.78 and 183.22

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Solution

The fourth proportional to 529.98, 794.78 and 183.22 is: 274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.98 : 794.78 = 183.22 : x
  2. Step 2: Convert to fraction form
    529.98/794.78 = 183.22/x
  3. Step 3: Cross multiply
    529.98x = 794.78 × 183.22
  4. Step 4: Simplify right side
    529.98x = 145,621.12
  5. Step 5: Solve for x
    x = 145,621.12/529.98
  6. Step 6: Final answer
    x = 274.77

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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.