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Finding the Fourth Proportional to 652,219.53, 978,334.50 and 267,869.35

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Solution

The fourth proportional to 652,219.53, 978,334.50 and 267,869.35 is: 401,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,219.53 : 978,334.50 = 267,869.35 : x
  2. Step 2: Convert to fraction form
    652,219.53/978,334.50 = 267,869.35/x
  3. Step 3: Cross multiply
    652,219.53x = 978,334.50 × 267,869.35
  4. Step 4: Simplify right side
    652,219.53x = 262,065,831,576.57
  5. Step 5: Solve for x
    x = 262,065,831,576.57/652,219.53
  6. Step 6: Final answer
    x = 401,806.17

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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.