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Finding the Fourth Proportional to 336,843.40, 505,335.30 and 112,273.60

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Solution

The fourth proportional to 336,843.40, 505,335.30 and 112,273.60 is: 168,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,843.40 : 505,335.30 = 112,273.60 : x
  2. Step 2: Convert to fraction form
    336,843.40/505,335.30 = 112,273.60/x
  3. Step 3: Cross multiply
    336,843.40x = 505,335.30 × 112,273.60
  4. Step 4: Simplify right side
    336,843.40x = 56,735,813,338.08
  5. Step 5: Solve for x
    x = 56,735,813,338.08/336,843.40
  6. Step 6: Final answer
    x = 168,433.80

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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.