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Finding the Fourth Proportional to 617,852.40, 927,556.20 and 333,769.20

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Solution

The fourth proportional to 617,852.40, 927,556.20 and 333,769.20 is: 501,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,852.40 : 927,556.20 = 333,769.20 : x
  2. Step 2: Convert to fraction form
    617,852.40/927,556.20 = 333,769.20/x
  3. Step 3: Cross multiply
    617,852.40x = 927,556.20 × 333,769.20
  4. Step 4: Simplify right side
    617,852.40x = 309,589,690,829.04
  5. Step 5: Solve for x
    x = 309,589,690,829.04/617,852.40
  6. Step 6: Final answer
    x = 501,073.87

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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.