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Finding the Fourth Proportional to 1,699,804.71, 2,347,836.93 and 1,233,915.03

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Solution

The fourth proportional to 1,699,804.71, 2,347,836.93 and 1,233,915.03 is: 1,704,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,804.71 : 2,347,836.93 = 1,233,915.03 : x
  2. Step 2: Convert to fraction form
    1,699,804.71/2,347,836.93 = 1,233,915.03/x
  3. Step 3: Cross multiply
    1,699,804.71x = 2,347,836.93 × 1,233,915.03
  4. Step 4: Simplify right side
    1,699,804.71x = 2,897,031,275,916.06
  5. Step 5: Solve for x
    x = 2,897,031,275,916.06/1,699,804.71
  6. Step 6: Final answer
    x = 1,704,331.83

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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.