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Finding the Fourth Proportional to 594,198.20, 890,903.70 and 328,086.20

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Solution

The fourth proportional to 594,198.20, 890,903.70 and 328,086.20 is: 491,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,198.20 : 890,903.70 = 328,086.20 : x
  2. Step 2: Convert to fraction form
    594,198.20/890,903.70 = 328,086.20/x
  3. Step 3: Cross multiply
    594,198.20x = 890,903.70 × 328,086.20
  4. Step 4: Simplify right side
    594,198.20x = 292,293,209,498.94
  5. Step 5: Solve for x
    x = 292,293,209,498.94/594,198.20
  6. Step 6: Final answer
    x = 491,911.97

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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.