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Finding the Fourth Proportional to 1,090.82, 1,505.31 and 593.46

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Solution

The fourth proportional to 1,090.82, 1,505.31 and 593.46 is: 818.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090.82 : 1,505.31 = 593.46 : x
  2. Step 2: Convert to fraction form
    1,090.82/1,505.31 = 593.46/x
  3. Step 3: Cross multiply
    1,090.82x = 1,505.31 × 593.46
  4. Step 4: Simplify right side
    1,090.82x = 893,341.27
  5. Step 5: Solve for x
    x = 893,341.27/1,090.82
  6. Step 6: Final answer
    x = 818.96

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