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Finding the Fourth Proportional to 1,346.94, 2,020.14 and 372.83

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Solution

The fourth proportional to 1,346.94, 2,020.14 and 372.83 is: 559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.94 : 2,020.14 = 372.83 : x
  2. Step 2: Convert to fraction form
    1,346.94/2,020.14 = 372.83/x
  3. Step 3: Cross multiply
    1,346.94x = 2,020.14 × 372.83
  4. Step 4: Simplify right side
    1,346.94x = 753,158.70
  5. Step 5: Solve for x
    x = 753,158.70/1,346.94
  6. Step 6: Final answer
    x = 559.16

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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.