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Finding the Fourth Proportional to 958.74, 1,435.83 and 592.42

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Solution

The fourth proportional to 958.74, 1,435.83 and 592.42 is: 887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.74 : 1,435.83 = 592.42 : x
  2. Step 2: Convert to fraction form
    958.74/1,435.83 = 592.42/x
  3. Step 3: Cross multiply
    958.74x = 1,435.83 × 592.42
  4. Step 4: Simplify right side
    958.74x = 850,614.41
  5. Step 5: Solve for x
    x = 850,614.41/958.74
  6. Step 6: Final answer
    x = 887.22

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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.