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Finding the Fourth Proportional to 529.32, 794.46 and 374.80

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Solution

The fourth proportional to 529.32, 794.46 and 374.80 is: 562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.32 : 794.46 = 374.80 : x
  2. Step 2: Convert to fraction form
    529.32/794.46 = 374.80/x
  3. Step 3: Cross multiply
    529.32x = 794.46 × 374.80
  4. Step 4: Simplify right side
    529.32x = 297,763.61
  5. Step 5: Solve for x
    x = 297,763.61/529.32
  6. Step 6: Final answer
    x = 562.54

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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.