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Finding the Fourth Proportional to 695.52, 1,041.12 and 370.08

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Solution

The fourth proportional to 695.52, 1,041.12 and 370.08 is: 553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.52 : 1,041.12 = 370.08 : x
  2. Step 2: Convert to fraction form
    695.52/1,041.12 = 370.08/x
  3. Step 3: Cross multiply
    695.52x = 1,041.12 × 370.08
  4. Step 4: Simplify right side
    695.52x = 385,297.69
  5. Step 5: Solve for x
    x = 385,297.69/695.52
  6. Step 6: Final answer
    x = 553.97

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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.