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Finding the Fourth Proportional to 946.22, 1,416.33 and 534.13

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Solution

The fourth proportional to 946.22, 1,416.33 and 534.13 is: 799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    946.22 : 1,416.33 = 534.13 : x
  2. Step 2: Convert to fraction form
    946.22/1,416.33 = 534.13/x
  3. Step 3: Cross multiply
    946.22x = 1,416.33 × 534.13
  4. Step 4: Simplify right side
    946.22x = 756,500.80
  5. Step 5: Solve for x
    x = 756,500.80/946.22
  6. Step 6: Final answer
    x = 799.50

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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.