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Finding the Fourth Proportional to 271,332.40, 406,998.60 and 200,473.60

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Solution

The fourth proportional to 271,332.40, 406,998.60 and 200,473.60 is: 300,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,332.40 : 406,998.60 = 200,473.60 : x
  2. Step 2: Convert to fraction form
    271,332.40/406,998.60 = 200,473.60/x
  3. Step 3: Cross multiply
    271,332.40x = 406,998.60 × 200,473.60
  4. Step 4: Simplify right side
    271,332.40x = 81,592,474,536.96
  5. Step 5: Solve for x
    x = 81,592,474,536.96/271,332.40
  6. Step 6: Final answer
    x = 300,710.40

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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.