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Finding the Fourth Proportional to 522,706.98, 721,589.02 and 350,561.94

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Solution

The fourth proportional to 522,706.98, 721,589.02 and 350,561.94 is: 483,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,706.98 : 721,589.02 = 350,561.94 : x
  2. Step 2: Convert to fraction form
    522,706.98/721,589.02 = 350,561.94/x
  3. Step 3: Cross multiply
    522,706.98x = 721,589.02 × 350,561.94
  4. Step 4: Simplify right side
    522,706.98x = 252,961,646,733.90
  5. Step 5: Solve for x
    x = 252,961,646,733.90/522,706.98
  6. Step 6: Final answer
    x = 483,945.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.