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Finding the Fourth Proportional to 569,652.20, 854,555.10 and 195,789.80

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Solution

The fourth proportional to 569,652.20, 854,555.10 and 195,789.80 is: 293,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,652.20 : 854,555.10 = 195,789.80 : x
  2. Step 2: Convert to fraction form
    569,652.20/854,555.10 = 195,789.80/x
  3. Step 3: Cross multiply
    569,652.20x = 854,555.10 × 195,789.80
  4. Step 4: Simplify right side
    569,652.20x = 167,313,172,117.98
  5. Step 5: Solve for x
    x = 167,313,172,117.98/569,652.20
  6. Step 6: Final answer
    x = 293,711.10

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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.