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Finding the Fourth Proportional to 273,951.76, 410,979.48 and 155,756.56

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Solution

The fourth proportional to 273,951.76, 410,979.48 and 155,756.56 is: 233,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,951.76 : 410,979.48 = 155,756.56 : x
  2. Step 2: Convert to fraction form
    273,951.76/410,979.48 = 155,756.56/x
  3. Step 3: Cross multiply
    273,951.76x = 410,979.48 × 155,756.56
  4. Step 4: Simplify right side
    273,951.76x = 64,012,750,035.39
  5. Step 5: Solve for x
    x = 64,012,750,035.39/273,951.76
  6. Step 6: Final answer
    x = 233,664.31

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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.