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Finding the Fourth Proportional to 958.49, 1,436.52 and 525.95

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Solution

The fourth proportional to 958.49, 1,436.52 and 525.95 is: 788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.49 : 1,436.52 = 525.95 : x
  2. Step 2: Convert to fraction form
    958.49/1,436.52 = 525.95/x
  3. Step 3: Cross multiply
    958.49x = 1,436.52 × 525.95
  4. Step 4: Simplify right side
    958.49x = 755,537.69
  5. Step 5: Solve for x
    x = 755,537.69/958.49
  6. Step 6: Final answer
    x = 788.26

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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.