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Finding the Fourth Proportional to 573,651.90, 860,805.90 and 396,286.20

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Solution

The fourth proportional to 573,651.90, 860,805.90 and 396,286.20 is: 594,655.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,651.90 : 860,805.90 = 396,286.20 : x
  2. Step 2: Convert to fraction form
    573,651.90/860,805.90 = 396,286.20/x
  3. Step 3: Cross multiply
    573,651.90x = 860,805.90 × 396,286.20
  4. Step 4: Simplify right side
    573,651.90x = 341,125,499,048.58
  5. Step 5: Solve for x
    x = 341,125,499,048.58/573,651.90
  6. Step 6: Final answer
    x = 594,655.92

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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.