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Finding the Fourth Proportional to 1,266,646.84, 1,747,933.50 and 693,672.28

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Solution

The fourth proportional to 1,266,646.84, 1,747,933.50 and 693,672.28 is: 957,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,646.84 : 1,747,933.50 = 693,672.28 : x
  2. Step 2: Convert to fraction form
    1,266,646.84/1,747,933.50 = 693,672.28/x
  3. Step 3: Cross multiply
    1,266,646.84x = 1,747,933.50 × 693,672.28
  4. Step 4: Simplify right side
    1,266,646.84x = 1,212,493,016,233.38
  5. Step 5: Solve for x
    x = 1,212,493,016,233.38/1,266,646.84
  6. Step 6: Final answer
    x = 957,246.31

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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.