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Finding the Fourth Proportional to 574.83, 792.75 and 535.34

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Solution

The fourth proportional to 574.83, 792.75 and 535.34 is: 738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.83 : 792.75 = 535.34 : x
  2. Step 2: Convert to fraction form
    574.83/792.75 = 535.34/x
  3. Step 3: Cross multiply
    574.83x = 792.75 × 535.34
  4. Step 4: Simplify right side
    574.83x = 424,394.77
  5. Step 5: Solve for x
    x = 424,394.77/574.83
  6. Step 6: Final answer
    x = 738.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.