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Finding the Fourth Proportional to 569,679.20, 854,595.60 and 195,816.80

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Solution

The fourth proportional to 569,679.20, 854,595.60 and 195,816.80 is: 293,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,679.20 : 854,595.60 = 195,816.80 : x
  2. Step 2: Convert to fraction form
    569,679.20/854,595.60 = 195,816.80/x
  3. Step 3: Cross multiply
    569,679.20x = 854,595.60 × 195,816.80
  4. Step 4: Simplify right side
    569,679.20x = 167,344,175,686.08
  5. Step 5: Solve for x
    x = 167,344,175,686.08/569,679.20
  6. Step 6: Final answer
    x = 293,751.60

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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.