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Finding the Fourth Proportional to 934.73, 1,400.30 and 522.61

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Solution

The fourth proportional to 934.73, 1,400.30 and 522.61 is: 782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.73 : 1,400.30 = 522.61 : x
  2. Step 2: Convert to fraction form
    934.73/1,400.30 = 522.61/x
  3. Step 3: Cross multiply
    934.73x = 1,400.30 × 522.61
  4. Step 4: Simplify right side
    934.73x = 731,815.00
  5. Step 5: Solve for x
    x = 731,815.00/934.73
  6. Step 6: Final answer
    x = 782.92

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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.