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Finding the Fourth Proportional to 538,549.52, 807,844.78 and 201,554.69

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Solution

The fourth proportional to 538,549.52, 807,844.78 and 201,554.69 is: 302,339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,549.52 : 807,844.78 = 201,554.69 : x
  2. Step 2: Convert to fraction form
    538,549.52/807,844.78 = 201,554.69/x
  3. Step 3: Cross multiply
    538,549.52x = 807,844.78 × 201,554.69
  4. Step 4: Simplify right side
    538,549.52x = 162,824,904,201.02
  5. Step 5: Solve for x
    x = 162,824,904,201.02/538,549.52
  6. Step 6: Final answer
    x = 302,339.71

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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.