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Finding the Fourth Proportional to 617,874.68, 926,784.38 and 168,594.11

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Solution

The fourth proportional to 617,874.68, 926,784.38 and 168,594.11 is: 252,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,874.68 : 926,784.38 = 168,594.11 : x
  2. Step 2: Convert to fraction form
    617,874.68/926,784.38 = 168,594.11/x
  3. Step 3: Cross multiply
    617,874.68x = 926,784.38 × 168,594.11
  4. Step 4: Simplify right side
    617,874.68x = 156,250,386,971.01
  5. Step 5: Solve for x
    x = 156,250,386,971.01/617,874.68
  6. Step 6: Final answer
    x = 252,883.62

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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.