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Finding the Fourth Proportional to 271,498.60, 407,442.30 and 113,840.20

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Solution

The fourth proportional to 271,498.60, 407,442.30 and 113,840.20 is: 170,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,498.60 : 407,442.30 = 113,840.20 : x
  2. Step 2: Convert to fraction form
    271,498.60/407,442.30 = 113,840.20/x
  3. Step 3: Cross multiply
    271,498.60x = 407,442.30 × 113,840.20
  4. Step 4: Simplify right side
    271,498.60x = 46,383,312,920.46
  5. Step 5: Solve for x
    x = 46,383,312,920.46/271,498.60
  6. Step 6: Final answer
    x = 170,841.81

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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.