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Finding the Fourth Proportional to 463,392.33, 639,151.20 and 425,274.97

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Solution

The fourth proportional to 463,392.33, 639,151.20 and 425,274.97 is: 586,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,392.33 : 639,151.20 = 425,274.97 : x
  2. Step 2: Convert to fraction form
    463,392.33/639,151.20 = 425,274.97/x
  3. Step 3: Cross multiply
    463,392.33x = 639,151.20 × 425,274.97
  4. Step 4: Simplify right side
    463,392.33x = 271,815,007,405.46
  5. Step 5: Solve for x
    x = 271,815,007,405.46/463,392.33
  6. Step 6: Final answer
    x = 586,576.41

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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.