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Finding the Fourth Proportional to 610,832.40, 916,440.60 and 295,299.60

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Solution

The fourth proportional to 610,832.40, 916,440.60 and 295,299.60 is: 443,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,832.40 : 916,440.60 = 295,299.60 : x
  2. Step 2: Convert to fraction form
    610,832.40/916,440.60 = 295,299.60/x
  3. Step 3: Cross multiply
    610,832.40x = 916,440.60 × 295,299.60
  4. Step 4: Simplify right side
    610,832.40x = 270,624,542,603.76
  5. Step 5: Solve for x
    x = 270,624,542,603.76/610,832.40
  6. Step 6: Final answer
    x = 443,042.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.