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Finding the Fourth Proportional to 325,380.59, 487,956.54 and 97,608.29

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Solution

The fourth proportional to 325,380.59, 487,956.54 and 97,608.29 is: 146,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,380.59 : 487,956.54 = 97,608.29 : x
  2. Step 2: Convert to fraction form
    325,380.59/487,956.54 = 97,608.29/x
  3. Step 3: Cross multiply
    325,380.59x = 487,956.54 × 97,608.29
  4. Step 4: Simplify right side
    325,380.59x = 47,628,603,463.72
  5. Step 5: Solve for x
    x = 47,628,603,463.72/325,380.59
  6. Step 6: Final answer
    x = 146,378.13

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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.