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Finding the Fourth Proportional to 392,322.02, 588,570.24 and 143,004.02

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Solution

The fourth proportional to 392,322.02, 588,570.24 and 143,004.02 is: 214,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,322.02 : 588,570.24 = 143,004.02 : x
  2. Step 2: Convert to fraction form
    392,322.02/588,570.24 = 143,004.02/x
  3. Step 3: Cross multiply
    392,322.02x = 588,570.24 × 143,004.02
  4. Step 4: Simplify right side
    392,322.02x = 84,167,910,372.36
  5. Step 5: Solve for x
    x = 84,167,910,372.36/392,322.02
  6. Step 6: Final answer
    x = 214,537.82

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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.