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Finding the Fourth Proportional to 344,950.92, 517,426.52 and 155,189.68

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Solution

The fourth proportional to 344,950.92, 517,426.52 and 155,189.68 is: 232,784.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,950.92 : 517,426.52 = 155,189.68 : x
  2. Step 2: Convert to fraction form
    344,950.92/517,426.52 = 155,189.68/x
  3. Step 3: Cross multiply
    344,950.92x = 517,426.52 × 155,189.68
  4. Step 4: Simplify right side
    344,950.92x = 80,299,253,992.80
  5. Step 5: Solve for x
    x = 80,299,253,992.80/344,950.92
  6. Step 6: Final answer
    x = 232,784.58

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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.