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Finding the Fourth Proportional to 308,979.60, 463,469.40 and 224,342.70

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Solution

The fourth proportional to 308,979.60, 463,469.40 and 224,342.70 is: 336,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,979.60 : 463,469.40 = 224,342.70 : x
  2. Step 2: Convert to fraction form
    308,979.60/463,469.40 = 224,342.70/x
  3. Step 3: Cross multiply
    308,979.60x = 463,469.40 × 224,342.70
  4. Step 4: Simplify right side
    308,979.60x = 103,975,976,563.38
  5. Step 5: Solve for x
    x = 103,975,976,563.38/308,979.60
  6. Step 6: Final answer
    x = 336,514.05

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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.