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Finding the Fourth Proportional to 1,266,472.86, 1,747,733.30 and 693,513.03

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Solution

The fourth proportional to 1,266,472.86, 1,747,733.30 and 693,513.03 is: 957,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,472.86 : 1,747,733.30 = 693,513.03 : x
  2. Step 2: Convert to fraction form
    1,266,472.86/1,747,733.30 = 693,513.03/x
  3. Step 3: Cross multiply
    1,266,472.86x = 1,747,733.30 × 693,513.03
  4. Step 4: Simplify right side
    1,266,472.86x = 1,212,075,813,047.33
  5. Step 5: Solve for x
    x = 1,212,075,813,047.33/1,266,472.86
  6. Step 6: Final answer
    x = 957,048.39

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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.