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Finding the Fourth Proportional to 364,811.52, 548,047.62 and 263,920.74

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Solution

The fourth proportional to 364,811.52, 548,047.62 and 263,920.74 is: 396,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,811.52 : 548,047.62 = 263,920.74 : x
  2. Step 2: Convert to fraction form
    364,811.52/548,047.62 = 263,920.74/x
  3. Step 3: Cross multiply
    364,811.52x = 548,047.62 × 263,920.74
  4. Step 4: Simplify right side
    364,811.52x = 144,641,133,425.64
  5. Step 5: Solve for x
    x = 144,641,133,425.64/364,811.52
  6. Step 6: Final answer
    x = 396,481.81

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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.