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Finding the Fourth Proportional to 396,313.29, 594,535.95 and 130,002.30

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Solution

The fourth proportional to 396,313.29, 594,535.95 and 130,002.30 is: 195,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,313.29 : 594,535.95 = 130,002.30 : x
  2. Step 2: Convert to fraction form
    396,313.29/594,535.95 = 130,002.30/x
  3. Step 3: Cross multiply
    396,313.29x = 594,535.95 × 130,002.30
  4. Step 4: Simplify right side
    396,313.29x = 77,291,040,932.69
  5. Step 5: Solve for x
    x = 77,291,040,932.69/396,313.29
  6. Step 6: Final answer
    x = 195,025.10

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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.