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Finding the Fourth Proportional to 396,080.01, 593,813.84 and 129,674.25

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Solution

The fourth proportional to 396,080.01, 593,813.84 and 129,674.25 is: 194,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,080.01 : 593,813.84 = 129,674.25 : x
  2. Step 2: Convert to fraction form
    396,080.01/593,813.84 = 129,674.25/x
  3. Step 3: Cross multiply
    396,080.01x = 593,813.84 × 129,674.25
  4. Step 4: Simplify right side
    396,080.01x = 77,002,363,693.25
  5. Step 5: Solve for x
    x = 77,002,363,693.25/396,080.01
  6. Step 6: Final answer
    x = 194,411.13

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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.