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Finding the Fourth Proportional to 573,825.40, 860,622.90 and 274,305.40

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Solution

The fourth proportional to 573,825.40, 860,622.90 and 274,305.40 is: 411,403.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,825.40 : 860,622.90 = 274,305.40 : x
  2. Step 2: Convert to fraction form
    573,825.40/860,622.90 = 274,305.40/x
  3. Step 3: Cross multiply
    573,825.40x = 860,622.90 × 274,305.40
  4. Step 4: Simplify right side
    573,825.40x = 236,073,508,833.66
  5. Step 5: Solve for x
    x = 236,073,508,833.66/573,825.40
  6. Step 6: Final answer
    x = 411,403.03

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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.