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Finding the Fourth Proportional to 1,049.99, 1,448.90 and 601.74

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Solution

The fourth proportional to 1,049.99, 1,448.90 and 601.74 is: 830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.99 : 1,448.90 = 601.74 : x
  2. Step 2: Convert to fraction form
    1,049.99/1,448.90 = 601.74/x
  3. Step 3: Cross multiply
    1,049.99x = 1,448.90 × 601.74
  4. Step 4: Simplify right side
    1,049.99x = 871,858.08
  5. Step 5: Solve for x
    x = 871,858.08/1,049.99
  6. Step 6: Final answer
    x = 830.35

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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.