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Finding the Fourth Proportional to 3,650,594.80, 5,476,669.80 and 1,126,505.20

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Solution

The fourth proportional to 3,650,594.80, 5,476,669.80 and 1,126,505.20 is: 1,689,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650,594.80 : 5,476,669.80 = 1,126,505.20 : x
  2. Step 2: Convert to fraction form
    3,650,594.80/5,476,669.80 = 1,126,505.20/x
  3. Step 3: Cross multiply
    3,650,594.80x = 5,476,669.80 × 1,126,505.20
  4. Step 4: Simplify right side
    3,650,594.80x = 6,169,497,008,382.96
  5. Step 5: Solve for x
    x = 6,169,497,008,382.96/3,650,594.80
  6. Step 6: Final answer
    x = 1,689,997.75

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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.