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Finding the Fourth Proportional to 538,546.89, 807,571.98 and 159,332.01

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Solution

The fourth proportional to 538,546.89, 807,571.98 and 159,332.01 is: 238,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,546.89 : 807,571.98 = 159,332.01 : x
  2. Step 2: Convert to fraction form
    538,546.89/807,571.98 = 159,332.01/x
  3. Step 3: Cross multiply
    538,546.89x = 807,571.98 × 159,332.01
  4. Step 4: Simplify right side
    538,546.89x = 128,672,066,793.08
  5. Step 5: Solve for x
    x = 128,672,066,793.08/538,546.89
  6. Step 6: Final answer
    x = 238,924.54

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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.