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Finding the Fourth Proportional to 573,278.16, 860,262.84 and 199,563.60

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Solution

The fourth proportional to 573,278.16, 860,262.84 and 199,563.60 is: 299,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,278.16 : 860,262.84 = 199,563.60 : x
  2. Step 2: Convert to fraction form
    573,278.16/860,262.84 = 199,563.60/x
  3. Step 3: Cross multiply
    573,278.16x = 860,262.84 × 199,563.60
  4. Step 4: Simplify right side
    573,278.16x = 171,677,149,296.62
  5. Step 5: Solve for x
    x = 171,677,149,296.62/573,278.16
  6. Step 6: Final answer
    x = 299,465.71

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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.