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Finding the Fourth Proportional to 569,859.20, 854,865.60 and 195,996.80

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Solution

The fourth proportional to 569,859.20, 854,865.60 and 195,996.80 is: 294,021.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,859.20 : 854,865.60 = 195,996.80 : x
  2. Step 2: Convert to fraction form
    569,859.20/854,865.60 = 195,996.80/x
  3. Step 3: Cross multiply
    569,859.20x = 854,865.60 × 195,996.80
  4. Step 4: Simplify right side
    569,859.20x = 167,550,922,030.08
  5. Step 5: Solve for x
    x = 167,550,922,030.08/569,859.20
  6. Step 6: Final answer
    x = 294,021.61

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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.