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Finding the Fourth Proportional to 593.40, 891.36 and 573.96

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Solution

The fourth proportional to 593.40, 891.36 and 573.96 is: 862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.40 : 891.36 = 573.96 : x
  2. Step 2: Convert to fraction form
    593.40/891.36 = 573.96/x
  3. Step 3: Cross multiply
    593.40x = 891.36 × 573.96
  4. Step 4: Simplify right side
    593.40x = 511,604.99
  5. Step 5: Solve for x
    x = 511,604.99/593.40
  6. Step 6: Final answer
    x = 862.16

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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.