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Finding the Fourth Proportional to 1,266,166.94, 1,747,315.47 and 693,260.42

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Solution

The fourth proportional to 1,266,166.94, 1,747,315.47 and 693,260.42 is: 956,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,166.94 : 1,747,315.47 = 693,260.42 : x
  2. Step 2: Convert to fraction form
    1,266,166.94/1,747,315.47 = 693,260.42/x
  3. Step 3: Cross multiply
    1,266,166.94x = 1,747,315.47 × 693,260.42
  4. Step 4: Simplify right side
    1,266,166.94x = 1,211,344,656,604.70
  5. Step 5: Solve for x
    x = 1,211,344,656,604.70/1,266,166.94
  6. Step 6: Final answer
    x = 956,702.17

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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.