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Finding the Fourth Proportional to 271,206.40, 406,809.60 and 93,654.40

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Solution

The fourth proportional to 271,206.40, 406,809.60 and 93,654.40 is: 140,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,206.40 : 406,809.60 = 93,654.40 : x
  2. Step 2: Convert to fraction form
    271,206.40/406,809.60 = 93,654.40/x
  3. Step 3: Cross multiply
    271,206.40x = 406,809.60 × 93,654.40
  4. Step 4: Simplify right side
    271,206.40x = 38,099,509,002.24
  5. Step 5: Solve for x
    x = 38,099,509,002.24/271,206.40
  6. Step 6: Final answer
    x = 140,481.60

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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.