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Finding the Fourth Proportional to 354,622.56, 532,021.44 and 105,304.32

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Solution

The fourth proportional to 354,622.56, 532,021.44 and 105,304.32 is: 157,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,622.56 : 532,021.44 = 105,304.32 : x
  2. Step 2: Convert to fraction form
    354,622.56/532,021.44 = 105,304.32/x
  3. Step 3: Cross multiply
    354,622.56x = 532,021.44 × 105,304.32
  4. Step 4: Simplify right side
    354,622.56x = 56,024,155,964.62
  5. Step 5: Solve for x
    x = 56,024,155,964.62/354,622.56
  6. Step 6: Final answer
    x = 157,982.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.