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Finding the Fourth Proportional to 904.44, 1,353.60 and 492.48

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Solution

The fourth proportional to 904.44, 1,353.60 and 492.48 is: 737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.44 : 1,353.60 = 492.48 : x
  2. Step 2: Convert to fraction form
    904.44/1,353.60 = 492.48/x
  3. Step 3: Cross multiply
    904.44x = 1,353.60 × 492.48
  4. Step 4: Simplify right side
    904.44x = 666,620.93
  5. Step 5: Solve for x
    x = 666,620.93/904.44
  6. Step 6: Final answer
    x = 737.05

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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.