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Finding the Fourth Proportional to 1,090.37, 1,504.73 and 593.02

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Solution

The fourth proportional to 1,090.37, 1,504.73 and 593.02 is: 818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090.37 : 1,504.73 = 593.02 : x
  2. Step 2: Convert to fraction form
    1,090.37/1,504.73 = 593.02/x
  3. Step 3: Cross multiply
    1,090.37x = 1,504.73 × 593.02
  4. Step 4: Simplify right side
    1,090.37x = 892,334.98
  5. Step 5: Solve for x
    x = 892,334.98/1,090.37
  6. Step 6: Final answer
    x = 818.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.