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Finding the Fourth Proportional to 396,314.88, 594,347.44 and 130,013.34

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Solution

The fourth proportional to 396,314.88, 594,347.44 and 130,013.34 is: 194,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,314.88 : 594,347.44 = 130,013.34 : x
  2. Step 2: Convert to fraction form
    396,314.88/594,347.44 = 130,013.34/x
  3. Step 3: Cross multiply
    396,314.88x = 594,347.44 × 130,013.34
  4. Step 4: Simplify right side
    396,314.88x = 77,273,095,794.85
  5. Step 5: Solve for x
    x = 77,273,095,794.85/396,314.88
  6. Step 6: Final answer
    x = 194,979.04

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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.