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Finding the Fourth Proportional to 3,291,756.98, 4,936,614.44 and 1,161,342.90

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Solution

The fourth proportional to 3,291,756.98, 4,936,614.44 and 1,161,342.90 is: 1,741,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291,756.98 : 4,936,614.44 = 1,161,342.90 : x
  2. Step 2: Convert to fraction form
    3,291,756.98/4,936,614.44 = 1,161,342.90/x
  3. Step 3: Cross multiply
    3,291,756.98x = 4,936,614.44 × 1,161,342.90
  4. Step 4: Simplify right side
    3,291,756.98x = 5,733,102,124,124.76
  5. Step 5: Solve for x
    x = 5,733,102,124,124.76/3,291,756.98
  6. Step 6: Final answer
    x = 1,741,654.13

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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.