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Finding the Fourth Proportional to 488,362.08, 733,665.82 and 344,598.78

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Solution

The fourth proportional to 488,362.08, 733,665.82 and 344,598.78 is: 517,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,362.08 : 733,665.82 = 344,598.78 : x
  2. Step 2: Convert to fraction form
    488,362.08/733,665.82 = 344,598.78/x
  3. Step 3: Cross multiply
    488,362.08x = 733,665.82 × 344,598.78
  4. Step 4: Simplify right side
    488,362.08x = 252,820,346,499.70
  5. Step 5: Solve for x
    x = 252,820,346,499.70/488,362.08
  6. Step 6: Final answer
    x = 517,690.37

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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.