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Finding the Fourth Proportional to 937.60, 1,406.48 and 244.32

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Solution

The fourth proportional to 937.60, 1,406.48 and 244.32 is: 366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.60 : 1,406.48 = 244.32 : x
  2. Step 2: Convert to fraction form
    937.60/1,406.48 = 244.32/x
  3. Step 3: Cross multiply
    937.60x = 1,406.48 × 244.32
  4. Step 4: Simplify right side
    937.60x = 343,631.19
  5. Step 5: Solve for x
    x = 343,631.19/937.60
  6. Step 6: Final answer
    x = 366.50

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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.