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Finding the Fourth Proportional to 591,920.20, 887,945.10 and 573,257.80

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Solution

The fourth proportional to 591,920.20, 887,945.10 and 573,257.80 is: 859,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,920.20 : 887,945.10 = 573,257.80 : x
  2. Step 2: Convert to fraction form
    591,920.20/887,945.10 = 573,257.80/x
  3. Step 3: Cross multiply
    591,920.20x = 887,945.10 × 573,257.80
  4. Step 4: Simplify right side
    591,920.20x = 509,021,454,546.78
  5. Step 5: Solve for x
    x = 509,021,454,546.78/591,920.20
  6. Step 6: Final answer
    x = 859,949.46

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Double scale
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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.