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Finding the Fourth Proportional to 567,722.49, 850,619.70 and 342,609.87

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Solution

The fourth proportional to 567,722.49, 850,619.70 and 342,609.87 is: 513,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,722.49 : 850,619.70 = 342,609.87 : x
  2. Step 2: Convert to fraction form
    567,722.49/850,619.70 = 342,609.87/x
  3. Step 3: Cross multiply
    567,722.49x = 850,619.70 × 342,609.87
  4. Step 4: Simplify right side
    567,722.49x = 291,430,704,836.44
  5. Step 5: Solve for x
    x = 291,430,704,836.44/567,722.49
  6. Step 6: Final answer
    x = 513,333.03

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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.