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Finding the Fourth Proportional to 559,349.54, 838,462.50 and 179,991.46

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Solution

The fourth proportional to 559,349.54, 838,462.50 and 179,991.46 is: 269,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,349.54 : 838,462.50 = 179,991.46 : x
  2. Step 2: Convert to fraction form
    559,349.54/838,462.50 = 179,991.46/x
  3. Step 3: Cross multiply
    559,349.54x = 838,462.50 × 179,991.46
  4. Step 4: Simplify right side
    559,349.54x = 150,916,087,434.09
  5. Step 5: Solve for x
    x = 150,916,087,434.09/559,349.54
  6. Step 6: Final answer
    x = 269,806.40

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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.