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Finding the Fourth Proportional to 344,951.92, 517,428.02 and 155,190.68

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Solution

The fourth proportional to 344,951.92, 517,428.02 and 155,190.68 is: 232,786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,951.92 : 517,428.02 = 155,190.68 : x
  2. Step 2: Convert to fraction form
    344,951.92/517,428.02 = 155,190.68/x
  3. Step 3: Cross multiply
    344,951.92x = 517,428.02 × 155,190.68
  4. Step 4: Simplify right side
    344,951.92x = 80,300,006,274.85
  5. Step 5: Solve for x
    x = 80,300,006,274.85/344,951.92
  6. Step 6: Final answer
    x = 232,786.08

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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.