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Finding the Fourth Proportional to 426,797.76, 589,255.48 and 273,901.85

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Solution

The fourth proportional to 426,797.76, 589,255.48 and 273,901.85 is: 378,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,797.76 : 589,255.48 = 273,901.85 : x
  2. Step 2: Convert to fraction form
    426,797.76/589,255.48 = 273,901.85/x
  3. Step 3: Cross multiply
    426,797.76x = 589,255.48 × 273,901.85
  4. Step 4: Simplify right side
    426,797.76x = 161,398,169,785.36
  5. Step 5: Solve for x
    x = 161,398,169,785.36/426,797.76
  6. Step 6: Final answer
    x = 378,160.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.