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Finding the Fourth Proportional to 1,593.75, 2,390.60 and 498.10

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Solution

The fourth proportional to 1,593.75, 2,390.60 and 498.10 is: 747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.75 : 2,390.60 = 498.10 : x
  2. Step 2: Convert to fraction form
    1,593.75/2,390.60 = 498.10/x
  3. Step 3: Cross multiply
    1,593.75x = 2,390.60 × 498.10
  4. Step 4: Simplify right side
    1,593.75x = 1,190,755.37
  5. Step 5: Solve for x
    x = 1,190,755.37/1,593.75
  6. Step 6: Final answer
    x = 747.14

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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.