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Finding the Fourth Proportional to 363,610, 545,474.09 and 107,468.56

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Solution

The fourth proportional to 363,610, 545,474.09 and 107,468.56 is: 161,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,610 : 545,474.09 = 107,468.56 : x
  2. Step 2: Convert to fraction form
    363,610/545,474.09 = 107,468.56/x
  3. Step 3: Cross multiply
    363,610x = 545,474.09 × 107,468.56
  4. Step 4: Simplify right side
    363,610x = 58,621,314,969.61
  5. Step 5: Solve for x
    x = 58,621,314,969.61/363,610
  6. Step 6: Final answer
    x = 161,220.30

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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.