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Finding the Fourth Proportional to 514,838.75, 772,249.84 and 159,853.11

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Solution

The fourth proportional to 514,838.75, 772,249.84 and 159,853.11 is: 239,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,838.75 : 772,249.84 = 159,853.11 : x
  2. Step 2: Convert to fraction form
    514,838.75/772,249.84 = 159,853.11/x
  3. Step 3: Cross multiply
    514,838.75x = 772,249.84 × 159,853.11
  4. Step 4: Simplify right side
    514,838.75x = 123,446,538,621.00
  5. Step 5: Solve for x
    x = 123,446,538,621.00/514,838.75
  6. Step 6: Final answer
    x = 239,777.09

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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.