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Finding the Fourth Proportional to 447,096.97, 616,985.25 and 245,892.97

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Solution

The fourth proportional to 447,096.97, 616,985.25 and 245,892.97 is: 339,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,096.97 : 616,985.25 = 245,892.97 : x
  2. Step 2: Convert to fraction form
    447,096.97/616,985.25 = 245,892.97/x
  3. Step 3: Cross multiply
    447,096.97x = 616,985.25 × 245,892.97
  4. Step 4: Simplify right side
    447,096.97x = 151,712,335,568.69
  5. Step 5: Solve for x
    x = 151,712,335,568.69/447,096.97
  6. Step 6: Final answer
    x = 339,327.59

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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.