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Finding the Fourth Proportional to 529.30, 793.24 and 474.12

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Solution

The fourth proportional to 529.30, 793.24 and 474.12 is: 710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.30 : 793.24 = 474.12 : x
  2. Step 2: Convert to fraction form
    529.30/793.24 = 474.12/x
  3. Step 3: Cross multiply
    529.30x = 793.24 × 474.12
  4. Step 4: Simplify right side
    529.30x = 376,090.95
  5. Step 5: Solve for x
    x = 376,090.95/529.30
  6. Step 6: Final answer
    x = 710.54

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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.