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Finding the Fourth Proportional to 496,522.78, 744,192.33 and 345,947.74

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Solution

The fourth proportional to 496,522.78, 744,192.33 and 345,947.74 is: 518,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,522.78 : 744,192.33 = 345,947.74 : x
  2. Step 2: Convert to fraction form
    496,522.78/744,192.33 = 345,947.74/x
  3. Step 3: Cross multiply
    496,522.78x = 744,192.33 × 345,947.74
  4. Step 4: Simplify right side
    496,522.78x = 257,451,654,688.83
  5. Step 5: Solve for x
    x = 257,451,654,688.83/496,522.78
  6. Step 6: Final answer
    x = 518,509.25

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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.