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Finding the Fourth Proportional to 596,987.80, 895,481.70 and 396,658.60

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Solution

The fourth proportional to 596,987.80, 895,481.70 and 396,658.60 is: 594,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,987.80 : 895,481.70 = 396,658.60 : x
  2. Step 2: Convert to fraction form
    596,987.80/895,481.70 = 396,658.60/x
  3. Step 3: Cross multiply
    596,987.80x = 895,481.70 × 396,658.60
  4. Step 4: Simplify right side
    596,987.80x = 355,200,517,447.62
  5. Step 5: Solve for x
    x = 355,200,517,447.62/596,987.80
  6. Step 6: Final answer
    x = 594,987.90

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Similar ratio
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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.