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Finding the Fourth Proportional to 593.39, 891.71 and 559.85

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Solution

The fourth proportional to 593.39, 891.71 and 559.85 is: 841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.39 : 891.71 = 559.85 : x
  2. Step 2: Convert to fraction form
    593.39/891.71 = 559.85/x
  3. Step 3: Cross multiply
    593.39x = 891.71 × 559.85
  4. Step 4: Simplify right side
    593.39x = 499,223.84
  5. Step 5: Solve for x
    x = 499,223.84/593.39
  6. Step 6: Final answer
    x = 841.31

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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.