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Finding the Fourth Proportional to 1,593.99, 2,390.37 and 553.82

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Solution

The fourth proportional to 1,593.99, 2,390.37 and 553.82 is: 830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.99 : 2,390.37 = 553.82 : x
  2. Step 2: Convert to fraction form
    1,593.99/2,390.37 = 553.82/x
  3. Step 3: Cross multiply
    1,593.99x = 2,390.37 × 553.82
  4. Step 4: Simplify right side
    1,593.99x = 1,323,822.76
  5. Step 5: Solve for x
    x = 1,323,822.76/1,593.99
  6. Step 6: Final answer
    x = 830.51

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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.