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Finding the Fourth Proportional to 737.64, 1,106.04 and 372.24

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Solution

The fourth proportional to 737.64, 1,106.04 and 372.24 is: 558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.64 : 1,106.04 = 372.24 : x
  2. Step 2: Convert to fraction form
    737.64/1,106.04 = 372.24/x
  3. Step 3: Cross multiply
    737.64x = 1,106.04 × 372.24
  4. Step 4: Simplify right side
    737.64x = 411,712.33
  5. Step 5: Solve for x
    x = 411,712.33/737.64
  6. Step 6: Final answer
    x = 558.15

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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.