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Finding the Fourth Proportional to 527.26, 726.01 and 467.39

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Solution

The fourth proportional to 527.26, 726.01 and 467.39 is: 643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.26 : 726.01 = 467.39 : x
  2. Step 2: Convert to fraction form
    527.26/726.01 = 467.39/x
  3. Step 3: Cross multiply
    527.26x = 726.01 × 467.39
  4. Step 4: Simplify right side
    527.26x = 339,329.81
  5. Step 5: Solve for x
    x = 339,329.81/527.26
  6. Step 6: Final answer
    x = 643.57

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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.