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Finding the Fourth Proportional to 573,969.96, 860,955.72 and 274,380.12

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Solution

The fourth proportional to 573,969.96, 860,955.72 and 274,380.12 is: 411,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,969.96 : 860,955.72 = 274,380.12 : x
  2. Step 2: Convert to fraction form
    573,969.96/860,955.72 = 274,380.12/x
  3. Step 3: Cross multiply
    573,969.96x = 860,955.72 × 274,380.12
  4. Step 4: Simplify right side
    573,969.96x = 236,229,133,768.29
  5. Step 5: Solve for x
    x = 236,229,133,768.29/573,969.96
  6. Step 6: Final answer
    x = 411,570.55

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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.