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Finding the Fourth Proportional to 529.46, 793.90 and 375.69

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Solution

The fourth proportional to 529.46, 793.90 and 375.69 is: 563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.46 : 793.90 = 375.69 : x
  2. Step 2: Convert to fraction form
    529.46/793.90 = 375.69/x
  3. Step 3: Cross multiply
    529.46x = 793.90 × 375.69
  4. Step 4: Simplify right side
    529.46x = 298,260.29
  5. Step 5: Solve for x
    x = 298,260.29/529.46
  6. Step 6: Final answer
    x = 563.33

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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.