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Finding the Fourth Proportional to 906.18, 1,251.12 and 595.86

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Solution

The fourth proportional to 906.18, 1,251.12 and 595.86 is: 822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    906.18 : 1,251.12 = 595.86 : x
  2. Step 2: Convert to fraction form
    906.18/1,251.12 = 595.86/x
  3. Step 3: Cross multiply
    906.18x = 1,251.12 × 595.86
  4. Step 4: Simplify right side
    906.18x = 745,492.36
  5. Step 5: Solve for x
    x = 745,492.36/906.18
  6. Step 6: Final answer
    x = 822.68

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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.