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Finding the Fourth Proportional to 968.61, 1,337.07 and 595.74

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Solution

The fourth proportional to 968.61, 1,337.07 and 595.74 is: 822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.61 : 1,337.07 = 595.74 : x
  2. Step 2: Convert to fraction form
    968.61/1,337.07 = 595.74/x
  3. Step 3: Cross multiply
    968.61x = 1,337.07 × 595.74
  4. Step 4: Simplify right side
    968.61x = 796,546.08
  5. Step 5: Solve for x
    x = 796,546.08/968.61
  6. Step 6: Final answer
    x = 822.36

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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.