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Finding the Fourth Proportional to 1,014.05, 1,399.40 and 594.65

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Solution

The fourth proportional to 1,014.05, 1,399.40 and 594.65 is: 820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.05 : 1,399.40 = 594.65 : x
  2. Step 2: Convert to fraction form
    1,014.05/1,399.40 = 594.65/x
  3. Step 3: Cross multiply
    1,014.05x = 1,399.40 × 594.65
  4. Step 4: Simplify right side
    1,014.05x = 832,158.20
  5. Step 5: Solve for x
    x = 832,158.20/1,014.05
  6. Step 6: Final answer
    x = 820.63

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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.