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Finding the Fourth Proportional to 1,003.83, 1,505.88 and 593.43

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Solution

The fourth proportional to 1,003.83, 1,505.88 and 593.43 is: 890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003.83 : 1,505.88 = 593.43 : x
  2. Step 2: Convert to fraction form
    1,003.83/1,505.88 = 593.43/x
  3. Step 3: Cross multiply
    1,003.83x = 1,505.88 × 593.43
  4. Step 4: Simplify right side
    1,003.83x = 893,634.37
  5. Step 5: Solve for x
    x = 893,634.37/1,003.83
  6. Step 6: Final answer
    x = 890.22

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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.