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Finding the Fourth Proportional to 925.16, 1,385.58 and 600.08

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Solution

The fourth proportional to 925.16, 1,385.58 and 600.08 is: 898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.16 : 1,385.58 = 600.08 : x
  2. Step 2: Convert to fraction form
    925.16/1,385.58 = 600.08/x
  3. Step 3: Cross multiply
    925.16x = 1,385.58 × 600.08
  4. Step 4: Simplify right side
    925.16x = 831,458.85
  5. Step 5: Solve for x
    x = 831,458.85/925.16
  6. Step 6: Final answer
    x = 898.72

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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.