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Finding the Fourth Proportional to 529.95, 794.94 and 164.74

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Solution

The fourth proportional to 529.95, 794.94 and 164.74 is: 247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.95 : 794.94 = 164.74 : x
  2. Step 2: Convert to fraction form
    529.95/794.94 = 164.74/x
  3. Step 3: Cross multiply
    529.95x = 794.94 × 164.74
  4. Step 4: Simplify right side
    529.95x = 130,958.42
  5. Step 5: Solve for x
    x = 130,958.42/529.95
  6. Step 6: Final answer
    x = 247.11

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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.