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Finding the Fourth Proportional to 558,994.72, 838,362.48 and 159,625.12

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Solution

The fourth proportional to 558,994.72, 838,362.48 and 159,625.12 is: 239,400.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,994.72 : 838,362.48 = 159,625.12 : x
  2. Step 2: Convert to fraction form
    558,994.72/838,362.48 = 159,625.12/x
  3. Step 3: Cross multiply
    558,994.72x = 838,362.48 × 159,625.12
  4. Step 4: Simplify right side
    558,994.72x = 133,823,711,473.50
  5. Step 5: Solve for x
    x = 133,823,711,473.50/558,994.72
  6. Step 6: Final answer
    x = 239,400.67

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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.