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Finding the Fourth Proportional to 271,285.60, 406,928.40 and 226,962.40

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Solution

The fourth proportional to 271,285.60, 406,928.40 and 226,962.40 is: 340,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,285.60 : 406,928.40 = 226,962.40 : x
  2. Step 2: Convert to fraction form
    271,285.60/406,928.40 = 226,962.40/x
  3. Step 3: Cross multiply
    271,285.60x = 406,928.40 × 226,962.40
  4. Step 4: Simplify right side
    271,285.60x = 92,357,446,292.16
  5. Step 5: Solve for x
    x = 92,357,446,292.16/271,285.60
  6. Step 6: Final answer
    x = 340,443.60

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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.