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Finding the Fourth Proportional to 569,855.10, 854,782.65 and 543,611.10

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Solution

The fourth proportional to 569,855.10, 854,782.65 and 543,611.10 is: 815,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,855.10 : 854,782.65 = 543,611.10 : x
  2. Step 2: Convert to fraction form
    569,855.10/854,782.65 = 543,611.10/x
  3. Step 3: Cross multiply
    569,855.10x = 854,782.65 × 543,611.10
  4. Step 4: Simplify right side
    569,855.10x = 464,669,336,627.42
  5. Step 5: Solve for x
    x = 464,669,336,627.42/569,855.10
  6. Step 6: Final answer
    x = 815,416.65

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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.