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Finding the Fourth Proportional to 937.04, 1,405.49 and 528.73

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Solution

The fourth proportional to 937.04, 1,405.49 and 528.73 is: 793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.04 : 1,405.49 = 528.73 : x
  2. Step 2: Convert to fraction form
    937.04/1,405.49 = 528.73/x
  3. Step 3: Cross multiply
    937.04x = 1,405.49 × 528.73
  4. Step 4: Simplify right side
    937.04x = 743,118.57
  5. Step 5: Solve for x
    x = 743,118.57/937.04
  6. Step 6: Final answer
    x = 793.05

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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.