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Finding the Fourth Proportional to 1,422.93, 2,134.70 and 601.22

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Solution

The fourth proportional to 1,422.93, 2,134.70 and 601.22 is: 901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422.93 : 2,134.70 = 601.22 : x
  2. Step 2: Convert to fraction form
    1,422.93/2,134.70 = 601.22/x
  3. Step 3: Cross multiply
    1,422.93x = 2,134.70 × 601.22
  4. Step 4: Simplify right side
    1,422.93x = 1,283,410.65
  5. Step 5: Solve for x
    x = 1,283,410.65/1,422.93
  6. Step 6: Final answer
    x = 901.95

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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.