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Finding the Fourth Proportional to 393,464.98, 590,229.96 and 165,826.36

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Solution

The fourth proportional to 393,464.98, 590,229.96 and 165,826.36 is: 248,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,464.98 : 590,229.96 = 165,826.36 : x
  2. Step 2: Convert to fraction form
    393,464.98/590,229.96 = 165,826.36/x
  3. Step 3: Cross multiply
    393,464.98x = 590,229.96 × 165,826.36
  4. Step 4: Simplify right side
    393,464.98x = 97,875,685,829.75
  5. Step 5: Solve for x
    x = 97,875,685,829.75/393,464.98
  6. Step 6: Final answer
    x = 248,753.23

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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.