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Finding the Fourth Proportional to 396,335.61, 594,153.50 and 303,256.89

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Solution

The fourth proportional to 396,335.61, 594,153.50 and 303,256.89 is: 454,617.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,335.61 : 594,153.50 = 303,256.89 : x
  2. Step 2: Convert to fraction form
    396,335.61/594,153.50 = 303,256.89/x
  3. Step 3: Cross multiply
    396,335.61x = 594,153.50 × 303,256.89
  4. Step 4: Simplify right side
    396,335.61x = 180,181,141,076.33
  5. Step 5: Solve for x
    x = 180,181,141,076.33/396,335.61
  6. Step 6: Final answer
    x = 454,617.59

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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.