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Finding the Fourth Proportional to 325,222.69, 487,831.29 and 254,205.07

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Solution

The fourth proportional to 325,222.69, 487,831.29 and 254,205.07 is: 381,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,222.69 : 487,831.29 = 254,205.07 : x
  2. Step 2: Convert to fraction form
    325,222.69/487,831.29 = 254,205.07/x
  3. Step 3: Cross multiply
    325,222.69x = 487,831.29 × 254,205.07
  4. Step 4: Simplify right side
    325,222.69x = 124,009,187,222.64
  5. Step 5: Solve for x
    x = 124,009,187,222.64/325,222.69
  6. Step 6: Final answer
    x = 381,305.46

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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.