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Finding the Fourth Proportional to 934.96, 1,400.58 and 568.60

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Solution

The fourth proportional to 934.96, 1,400.58 and 568.60 is: 851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.96 : 1,400.58 = 568.60 : x
  2. Step 2: Convert to fraction form
    934.96/1,400.58 = 568.60/x
  3. Step 3: Cross multiply
    934.96x = 1,400.58 × 568.60
  4. Step 4: Simplify right side
    934.96x = 796,369.79
  5. Step 5: Solve for x
    x = 796,369.79/934.96
  6. Step 6: Final answer
    x = 851.77

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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.