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Finding the Fourth Proportional to 597.26, 893.78 and 432.92

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Solution

The fourth proportional to 597.26, 893.78 and 432.92 is: 647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.26 : 893.78 = 432.92 : x
  2. Step 2: Convert to fraction form
    597.26/893.78 = 432.92/x
  3. Step 3: Cross multiply
    597.26x = 893.78 × 432.92
  4. Step 4: Simplify right side
    597.26x = 386,928.60
  5. Step 5: Solve for x
    x = 386,928.60/597.26
  6. Step 6: Final answer
    x = 647.84

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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.