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Finding the Fourth Proportional to 607.81, 837.10 and 576.53

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Solution

The fourth proportional to 607.81, 837.10 and 576.53 is: 794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.81 : 837.10 = 576.53 : x
  2. Step 2: Convert to fraction form
    607.81/837.10 = 576.53/x
  3. Step 3: Cross multiply
    607.81x = 837.10 × 576.53
  4. Step 4: Simplify right side
    607.81x = 482,613.26
  5. Step 5: Solve for x
    x = 482,613.26/607.81
  6. Step 6: Final answer
    x = 794.02

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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.