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Finding the Fourth Proportional to 832.27, 1,148.54 and 500.98

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Solution

The fourth proportional to 832.27, 1,148.54 and 500.98 is: 691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.27 : 1,148.54 = 500.98 : x
  2. Step 2: Convert to fraction form
    832.27/1,148.54 = 500.98/x
  3. Step 3: Cross multiply
    832.27x = 1,148.54 × 500.98
  4. Step 4: Simplify right side
    832.27x = 575,395.57
  5. Step 5: Solve for x
    x = 575,395.57/832.27
  6. Step 6: Final answer
    x = 691.36

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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.