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Finding the Fourth Proportional to 1,177,817.80, 1,766,726.70 and 804,569.80

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Solution

The fourth proportional to 1,177,817.80, 1,766,726.70 and 804,569.80 is: 1,206,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,817.80 : 1,766,726.70 = 804,569.80 : x
  2. Step 2: Convert to fraction form
    1,177,817.80/1,766,726.70 = 804,569.80/x
  3. Step 3: Cross multiply
    1,177,817.80x = 1,766,726.70 × 804,569.80
  4. Step 4: Simplify right side
    1,177,817.80x = 1,421,454,947,673.66
  5. Step 5: Solve for x
    x = 1,421,454,947,673.66/1,177,817.80
  6. Step 6: Final answer
    x = 1,206,854.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.