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Finding the Fourth Proportional to 457,603.41, 631,118.34 and 322,085.97

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Solution

The fourth proportional to 457,603.41, 631,118.34 and 322,085.97 is: 444,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,603.41 : 631,118.34 = 322,085.97 : x
  2. Step 2: Convert to fraction form
    457,603.41/631,118.34 = 322,085.97/x
  3. Step 3: Cross multiply
    457,603.41x = 631,118.34 × 322,085.97
  4. Step 4: Simplify right side
    457,603.41x = 203,274,362,723.69
  5. Step 5: Solve for x
    x = 203,274,362,723.69/457,603.41
  6. Step 6: Final answer
    x = 444,215.14

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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.