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Finding the Fourth Proportional to 694.27, 1,041.54 and 370.00

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Solution

The fourth proportional to 694.27, 1,041.54 and 370.00 is: 555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.27 : 1,041.54 = 370.00 : x
  2. Step 2: Convert to fraction form
    694.27/1,041.54 = 370.00/x
  3. Step 3: Cross multiply
    694.27x = 1,041.54 × 370.00
  4. Step 4: Simplify right side
    694.27x = 385,371.80
  5. Step 5: Solve for x
    x = 385,371.80/694.27
  6. Step 6: Final answer
    x = 555.07

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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.