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Finding the Fourth Proportional to 1,035.49, 1,428.96 and 593.37

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Solution

The fourth proportional to 1,035.49, 1,428.96 and 593.37 is: 818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.49 : 1,428.96 = 593.37 : x
  2. Step 2: Convert to fraction form
    1,035.49/1,428.96 = 593.37/x
  3. Step 3: Cross multiply
    1,035.49x = 1,428.96 × 593.37
  4. Step 4: Simplify right side
    1,035.49x = 847,902.00
  5. Step 5: Solve for x
    x = 847,902.00/1,035.49
  6. Step 6: Final answer
    x = 818.84

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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.