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Finding the Fourth Proportional to 548,438.02, 822,605.19 and 174,395.14

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Solution

The fourth proportional to 548,438.02, 822,605.19 and 174,395.14 is: 261,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,438.02 : 822,605.19 = 174,395.14 : x
  2. Step 2: Convert to fraction form
    548,438.02/822,605.19 = 174,395.14/x
  3. Step 3: Cross multiply
    548,438.02x = 822,605.19 × 174,395.14
  4. Step 4: Simplify right side
    548,438.02x = 143,458,347,274.78
  5. Step 5: Solve for x
    x = 143,458,347,274.78/548,438.02
  6. Step 6: Final answer
    x = 261,576.23

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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.