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Finding the Fourth Proportional to 1,695.81, 2,543.37 and 600.22

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Solution

The fourth proportional to 1,695.81, 2,543.37 and 600.22 is: 900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.81 : 2,543.37 = 600.22 : x
  2. Step 2: Convert to fraction form
    1,695.81/2,543.37 = 600.22/x
  3. Step 3: Cross multiply
    1,695.81x = 2,543.37 × 600.22
  4. Step 4: Simplify right side
    1,695.81x = 1,526,581.54
  5. Step 5: Solve for x
    x = 1,526,581.54/1,695.81
  6. Step 6: Final answer
    x = 900.21

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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.