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Finding the Fourth Proportional to 325,150.86, 487,463.73 and 298,906.86

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Solution

The fourth proportional to 325,150.86, 487,463.73 and 298,906.86 is: 448,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,150.86 : 487,463.73 = 298,906.86 : x
  2. Step 2: Convert to fraction form
    325,150.86/487,463.73 = 298,906.86/x
  3. Step 3: Cross multiply
    325,150.86x = 487,463.73 × 298,906.86
  4. Step 4: Simplify right side
    325,150.86x = 145,706,252,898.19
  5. Step 5: Solve for x
    x = 145,706,252,898.19/325,150.86
  6. Step 6: Final answer
    x = 448,118.92

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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.