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Finding the Fourth Proportional to 574,469.78, 792,753.97 and 316,344.68

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Solution

The fourth proportional to 574,469.78, 792,753.97 and 316,344.68 is: 436,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,469.78 : 792,753.97 = 316,344.68 : x
  2. Step 2: Convert to fraction form
    574,469.78/792,753.97 = 316,344.68/x
  3. Step 3: Cross multiply
    574,469.78x = 792,753.97 × 316,344.68
  4. Step 4: Simplify right side
    574,469.78x = 250,783,500,958.38
  5. Step 5: Solve for x
    x = 250,783,500,958.38/574,469.78
  6. Step 6: Final answer
    x = 436,547.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.