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Finding the Fourth Proportional to 3,869,655.90, 5,804,497.89 and 1,174,003.98

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Solution

The fourth proportional to 3,869,655.90, 5,804,497.89 and 1,174,003.98 is: 1,761,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869,655.90 : 5,804,497.89 = 1,174,003.98 : x
  2. Step 2: Convert to fraction form
    3,869,655.90/5,804,497.89 = 1,174,003.98/x
  3. Step 3: Cross multiply
    3,869,655.90x = 5,804,497.89 × 1,174,003.98
  4. Step 4: Simplify right side
    3,869,655.90x = 6,814,503,624,761.60
  5. Step 5: Solve for x
    x = 6,814,503,624,761.60/3,869,655.90
  6. Step 6: Final answer
    x = 1,761,010.23

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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.