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Finding the Fourth Proportional to 553,960.24, 831,052.14 and 174,940.18

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Solution

The fourth proportional to 553,960.24, 831,052.14 and 174,940.18 is: 262,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,960.24 : 831,052.14 = 174,940.18 : x
  2. Step 2: Convert to fraction form
    553,960.24/831,052.14 = 174,940.18/x
  3. Step 3: Cross multiply
    553,960.24x = 831,052.14 × 174,940.18
  4. Step 4: Simplify right side
    553,960.24x = 145,384,410,960.99
  5. Step 5: Solve for x
    x = 145,384,410,960.99/553,960.24
  6. Step 6: Final answer
    x = 262,445.57

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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.