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Finding the Fourth Proportional to 644,234.40, 966,351.60 and 573,375.60

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Solution

The fourth proportional to 644,234.40, 966,351.60 and 573,375.60 is: 860,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,234.40 : 966,351.60 = 573,375.60 : x
  2. Step 2: Convert to fraction form
    644,234.40/966,351.60 = 573,375.60/x
  3. Step 3: Cross multiply
    644,234.40x = 966,351.60 × 573,375.60
  4. Step 4: Simplify right side
    644,234.40x = 554,082,428,460.96
  5. Step 5: Solve for x
    x = 554,082,428,460.96/644,234.40
  6. Step 6: Final answer
    x = 860,063.40

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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.