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Finding the Fourth Proportional to 617,893.50, 926,812.44 and 168,612.83

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Solution

The fourth proportional to 617,893.50, 926,812.44 and 168,612.83 is: 252,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,893.50 : 926,812.44 = 168,612.83 : x
  2. Step 2: Convert to fraction form
    617,893.50/926,812.44 = 168,612.83/x
  3. Step 3: Cross multiply
    617,893.50x = 926,812.44 × 168,612.83
  4. Step 4: Simplify right side
    617,893.50x = 156,272,468,387.61
  5. Step 5: Solve for x
    x = 156,272,468,387.61/617,893.50
  6. Step 6: Final answer
    x = 252,911.66

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1.5x scale

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.