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Finding the Fourth Proportional to 1,422.53, 2,133.93 and 600.69

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Solution

The fourth proportional to 1,422.53, 2,133.93 and 600.69 is: 901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422.53 : 2,133.93 = 600.69 : x
  2. Step 2: Convert to fraction form
    1,422.53/2,133.93 = 600.69/x
  3. Step 3: Cross multiply
    1,422.53x = 2,133.93 × 600.69
  4. Step 4: Simplify right side
    1,422.53x = 1,281,840.67
  5. Step 5: Solve for x
    x = 1,281,840.67/1,422.53
  6. Step 6: Final answer
    x = 901.10

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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.