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Finding the Fourth Proportional to 291,506.96, 436,272.83 and 179,258.27

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Solution

The fourth proportional to 291,506.96, 436,272.83 and 179,258.27 is: 268,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,506.96 : 436,272.83 = 179,258.27 : x
  2. Step 2: Convert to fraction form
    291,506.96/436,272.83 = 179,258.27/x
  3. Step 3: Cross multiply
    291,506.96x = 436,272.83 × 179,258.27
  4. Step 4: Simplify right side
    291,506.96x = 78,205,512,753.80
  5. Step 5: Solve for x
    x = 78,205,512,753.80/291,506.96
  6. Step 6: Final answer
    x = 268,280.09

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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.