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Finding the Fourth Proportional to 617,405.80, 927,059.10 and 337,469.80

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Solution

The fourth proportional to 617,405.80, 927,059.10 and 337,469.80 is: 506,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,405.80 : 927,059.10 = 337,469.80 : x
  2. Step 2: Convert to fraction form
    617,405.80/927,059.10 = 337,469.80/x
  3. Step 3: Cross multiply
    617,405.80x = 927,059.10 × 337,469.80
  4. Step 4: Simplify right side
    617,405.80x = 312,854,449,065.18
  5. Step 5: Solve for x
    x = 312,854,449,065.18/617,405.80
  6. Step 6: Final answer
    x = 506,724.18

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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.