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Finding the Fourth Proportional to 396,048.40, 594,072.60 and 238,584.40

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Solution

The fourth proportional to 396,048.40, 594,072.60 and 238,584.40 is: 357,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,048.40 : 594,072.60 = 238,584.40 : x
  2. Step 2: Convert to fraction form
    396,048.40/594,072.60 = 238,584.40/x
  3. Step 3: Cross multiply
    396,048.40x = 594,072.60 × 238,584.40
  4. Step 4: Simplify right side
    396,048.40x = 141,736,454,827.44
  5. Step 5: Solve for x
    x = 141,736,454,827.44/396,048.40
  6. Step 6: Final answer
    x = 357,876.60

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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.