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Finding the Fourth Proportional to 573,305.70, 859,958.55 and 384,348.90

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Solution

The fourth proportional to 573,305.70, 859,958.55 and 384,348.90 is: 576,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,305.70 : 859,958.55 = 384,348.90 : x
  2. Step 2: Convert to fraction form
    573,305.70/859,958.55 = 384,348.90/x
  3. Step 3: Cross multiply
    573,305.70x = 859,958.55 × 384,348.90
  4. Step 4: Simplify right side
    573,305.70x = 330,524,122,738.10
  5. Step 5: Solve for x
    x = 330,524,122,738.10/573,305.70
  6. Step 6: Final answer
    x = 576,523.35

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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.