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Finding the Fourth Proportional to 573,211.88, 859,895.58 and 199,186.28

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Solution

The fourth proportional to 573,211.88, 859,895.58 and 199,186.28 is: 298,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,211.88 : 859,895.58 = 199,186.28 : x
  2. Step 2: Convert to fraction form
    573,211.88/859,895.58 = 199,186.28/x
  3. Step 3: Cross multiply
    573,211.88x = 859,895.58 × 199,186.28
  4. Step 4: Simplify right side
    573,211.88x = 171,279,401,768.64
  5. Step 5: Solve for x
    x = 171,279,401,768.64/573,211.88
  6. Step 6: Final answer
    x = 298,806.44

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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.