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Finding the Fourth Proportional to 488,856.87, 731,751.03 and 336,162.96

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Solution

The fourth proportional to 488,856.87, 731,751.03 and 336,162.96 is: 503,189.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,856.87 : 731,751.03 = 336,162.96 : x
  2. Step 2: Convert to fraction form
    488,856.87/731,751.03 = 336,162.96/x
  3. Step 3: Cross multiply
    488,856.87x = 731,751.03 × 336,162.96
  4. Step 4: Simplify right side
    488,856.87x = 245,987,592,227.85
  5. Step 5: Solve for x
    x = 245,987,592,227.85/488,856.87
  6. Step 6: Final answer
    x = 503,189.39

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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.