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Finding the Fourth Proportional to 271,034.16, 406,477.80 and 113,229.60

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Solution

The fourth proportional to 271,034.16, 406,477.80 and 113,229.60 is: 169,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,034.16 : 406,477.80 = 113,229.60 : x
  2. Step 2: Convert to fraction form
    271,034.16/406,477.80 = 113,229.60/x
  3. Step 3: Cross multiply
    271,034.16x = 406,477.80 × 113,229.60
  4. Step 4: Simplify right side
    271,034.16x = 46,025,318,702.88
  5. Step 5: Solve for x
    x = 46,025,318,702.88/271,034.16
  6. Step 6: Final answer
    x = 169,813.72

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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.