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Finding the Fourth Proportional to 1,699,807.71, 2,347,841.07 and 1,233,918.03

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Solution

The fourth proportional to 1,699,807.71, 2,347,841.07 and 1,233,918.03 is: 1,704,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,807.71 : 2,347,841.07 = 1,233,918.03 : x
  2. Step 2: Convert to fraction form
    1,699,807.71/2,347,841.07 = 1,233,918.03/x
  3. Step 3: Cross multiply
    1,699,807.71x = 2,347,841.07 × 1,233,918.03
  4. Step 4: Simplify right side
    1,699,807.71x = 2,897,043,427,847.49
  5. Step 5: Solve for x
    x = 2,897,043,427,847.49/1,699,807.71
  6. Step 6: Final answer
    x = 1,704,335.97

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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.