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Finding the Fourth Proportional to 733.30, 1,011.75 and 593.30

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Solution

The fourth proportional to 733.30, 1,011.75 and 593.30 is: 818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.30 : 1,011.75 = 593.30 : x
  2. Step 2: Convert to fraction form
    733.30/1,011.75 = 593.30/x
  3. Step 3: Cross multiply
    733.30x = 1,011.75 × 593.30
  4. Step 4: Simplify right side
    733.30x = 600,271.28
  5. Step 5: Solve for x
    x = 600,271.28/733.30
  6. Step 6: Final answer
    x = 818.59

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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.