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Finding the Fourth Proportional to 958.34, 1,322.43 and 532.98

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Solution

The fourth proportional to 958.34, 1,322.43 and 532.98 is: 735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.34 : 1,322.43 = 532.98 : x
  2. Step 2: Convert to fraction form
    958.34/1,322.43 = 532.98/x
  3. Step 3: Cross multiply
    958.34x = 1,322.43 × 532.98
  4. Step 4: Simplify right side
    958.34x = 704,828.74
  5. Step 5: Solve for x
    x = 704,828.74/958.34
  6. Step 6: Final answer
    x = 735.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.