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Finding the Fourth Proportional to 1,459.94, 2,187.99 and 593.78

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Solution

The fourth proportional to 1,459.94, 2,187.99 and 593.78 is: 889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.94 : 2,187.99 = 593.78 : x
  2. Step 2: Convert to fraction form
    1,459.94/2,187.99 = 593.78/x
  3. Step 3: Cross multiply
    1,459.94x = 2,187.99 × 593.78
  4. Step 4: Simplify right side
    1,459.94x = 1,299,184.70
  5. Step 5: Solve for x
    x = 1,299,184.70/1,459.94
  6. Step 6: Final answer
    x = 889.89

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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.