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Finding the Fourth Proportional to 529.18, 794.97 and 383.38

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Solution

The fourth proportional to 529.18, 794.97 and 383.38 is: 575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.18 : 794.97 = 383.38 : x
  2. Step 2: Convert to fraction form
    529.18/794.97 = 383.38/x
  3. Step 3: Cross multiply
    529.18x = 794.97 × 383.38
  4. Step 4: Simplify right side
    529.18x = 304,775.60
  5. Step 5: Solve for x
    x = 304,775.60/529.18
  6. Step 6: Final answer
    x = 575.94

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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.