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Finding the Fourth Proportional to 958.33, 1,434.66 and 591.94

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Solution

The fourth proportional to 958.33, 1,434.66 and 591.94 is: 886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.33 : 1,434.66 = 591.94 : x
  2. Step 2: Convert to fraction form
    958.33/1,434.66 = 591.94/x
  3. Step 3: Cross multiply
    958.33x = 1,434.66 × 591.94
  4. Step 4: Simplify right side
    958.33x = 849,232.64
  5. Step 5: Solve for x
    x = 849,232.64/958.33
  6. Step 6: Final answer
    x = 886.16

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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.