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Finding the Fourth Proportional to 943,696.80, 1,412,780.40 and 833,104.80

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Solution

The fourth proportional to 943,696.80, 1,412,780.40 and 833,104.80 is: 1,247,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,696.80 : 1,412,780.40 = 833,104.80 : x
  2. Step 2: Convert to fraction form
    943,696.80/1,412,780.40 = 833,104.80/x
  3. Step 3: Cross multiply
    943,696.80x = 1,412,780.40 × 833,104.80
  4. Step 4: Simplify right side
    943,696.80x = 1,176,994,132,585.92
  5. Step 5: Solve for x
    x = 1,176,994,132,585.92/943,696.80
  6. Step 6: Final answer
    x = 1,247,216.41

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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.