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Finding the Fourth Proportional to 396,073.40, 594,037.20 and 246,045.20

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Solution

The fourth proportional to 396,073.40, 594,037.20 and 246,045.20 is: 369,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,073.40 : 594,037.20 = 246,045.20 : x
  2. Step 2: Convert to fraction form
    396,073.40/594,037.20 = 246,045.20/x
  3. Step 3: Cross multiply
    396,073.40x = 594,037.20 × 246,045.20
  4. Step 4: Simplify right side
    396,073.40x = 146,160,001,681.44
  5. Step 5: Solve for x
    x = 146,160,001,681.44/396,073.40
  6. Step 6: Final answer
    x = 369,022.51

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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.