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Finding the Fourth Proportional to 617,654.49, 926,454.46 and 168,375.38

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Solution

The fourth proportional to 617,654.49, 926,454.46 and 168,375.38 is: 252,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,654.49 : 926,454.46 = 168,375.38 : x
  2. Step 2: Convert to fraction form
    617,654.49/926,454.46 = 168,375.38/x
  3. Step 3: Cross multiply
    617,654.49x = 926,454.46 × 168,375.38
  4. Step 4: Simplify right side
    617,654.49x = 155,992,124,834.65
  5. Step 5: Solve for x
    x = 155,992,124,834.65/617,654.49
  6. Step 6: Final answer
    x = 252,555.64

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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.