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Finding the Fourth Proportional to 441,843.50, 662,360.30 and 172,153.60

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Solution

The fourth proportional to 441,843.50, 662,360.30 and 172,153.60 is: 258,072.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,843.50 : 662,360.30 = 172,153.60 : x
  2. Step 2: Convert to fraction form
    441,843.50/662,360.30 = 172,153.60/x
  3. Step 3: Cross multiply
    441,843.50x = 662,360.30 × 172,153.60
  4. Step 4: Simplify right side
    441,843.50x = 114,027,710,142.08
  5. Step 5: Solve for x
    x = 114,027,710,142.08/441,843.50
  6. Step 6: Final answer
    x = 258,072.62

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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.