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Finding the Fourth Proportional to 536,891.86, 740,911.25 and 295,178.54

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Solution

The fourth proportional to 536,891.86, 740,911.25 and 295,178.54 is: 407,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,891.86 : 740,911.25 = 295,178.54 : x
  2. Step 2: Convert to fraction form
    536,891.86/740,911.25 = 295,178.54/x
  3. Step 3: Cross multiply
    536,891.86x = 740,911.25 × 295,178.54
  4. Step 4: Simplify right side
    536,891.86x = 218,701,099,568.68
  5. Step 5: Solve for x
    x = 218,701,099,568.68/536,891.86
  6. Step 6: Final answer
    x = 407,346.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.