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Finding the Fourth Proportional to 325,374.72, 487,881 and 100,672.62

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Solution

The fourth proportional to 325,374.72, 487,881 and 100,672.62 is: 150,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,374.72 : 487,881 = 100,672.62 : x
  2. Step 2: Convert to fraction form
    325,374.72/487,881 = 100,672.62/x
  3. Step 3: Cross multiply
    325,374.72x = 487,881 × 100,672.62
  4. Step 4: Simplify right side
    325,374.72x = 49,116,258,518.22
  5. Step 5: Solve for x
    x = 49,116,258,518.22/325,374.72
  6. Step 6: Final answer
    x = 150,952.90

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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.