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Finding the Fourth Proportional to 399,501.56, 599,178.36 and 159,595.04

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Solution

The fourth proportional to 399,501.56, 599,178.36 and 159,595.04 is: 239,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,501.56 : 599,178.36 = 159,595.04 : x
  2. Step 2: Convert to fraction form
    399,501.56/599,178.36 = 159,595.04/x
  3. Step 3: Cross multiply
    399,501.56x = 599,178.36 × 159,595.04
  4. Step 4: Simplify right side
    399,501.56x = 95,625,894,331.33
  5. Step 5: Solve for x
    x = 95,625,894,331.33/399,501.56
  6. Step 6: Final answer
    x = 239,363.01

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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.