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Finding the Fourth Proportional to 514,588.59, 771,845.81 and 159,593.39

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Solution

The fourth proportional to 514,588.59, 771,845.81 and 159,593.39 is: 239,378.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,588.59 : 771,845.81 = 159,593.39 : x
  2. Step 2: Convert to fraction form
    514,588.59/771,845.81 = 159,593.39/x
  3. Step 3: Cross multiply
    514,588.59x = 771,845.81 × 159,593.39
  4. Step 4: Simplify right side
    514,588.59x = 123,181,484,718.00
  5. Step 5: Solve for x
    x = 123,181,484,718.00/514,588.59
  6. Step 6: Final answer
    x = 239,378.58

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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.