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Finding the Fourth Proportional to 943,654.80, 1,412,717.40 and 833,062.80

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Solution

The fourth proportional to 943,654.80, 1,412,717.40 and 833,062.80 is: 1,247,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,654.80 : 1,412,717.40 = 833,062.80 : x
  2. Step 2: Convert to fraction form
    943,654.80/1,412,717.40 = 833,062.80/x
  3. Step 3: Cross multiply
    943,654.80x = 1,412,717.40 × 833,062.80
  4. Step 4: Simplify right side
    943,654.80x = 1,176,882,312,852.72
  5. Step 5: Solve for x
    x = 1,176,882,312,852.72/943,654.80
  6. Step 6: Final answer
    x = 1,247,153.42

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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.