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Finding the Fourth Proportional to 214,719.60, 322,079.40 and 202,472.40

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Solution

The fourth proportional to 214,719.60, 322,079.40 and 202,472.40 is: 303,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,719.60 : 322,079.40 = 202,472.40 : x
  2. Step 2: Convert to fraction form
    214,719.60/322,079.40 = 202,472.40/x
  3. Step 3: Cross multiply
    214,719.60x = 322,079.40 × 202,472.40
  4. Step 4: Simplify right side
    214,719.60x = 65,212,189,108.56
  5. Step 5: Solve for x
    x = 65,212,189,108.56/214,719.60
  6. Step 6: Final answer
    x = 303,708.60

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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.