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Finding the Fourth Proportional to 634.74, 953.84 and 593.22

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Solution

The fourth proportional to 634.74, 953.84 and 593.22 is: 891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.74 : 953.84 = 593.22 : x
  2. Step 2: Convert to fraction form
    634.74/953.84 = 593.22/x
  3. Step 3: Cross multiply
    634.74x = 953.84 × 593.22
  4. Step 4: Simplify right side
    634.74x = 565,836.96
  5. Step 5: Solve for x
    x = 565,836.96/634.74
  6. Step 6: Final answer
    x = 891.45

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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.