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Finding the Fourth Proportional to 369,655.52, 554,401.56 and 103,344.44

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Solution

The fourth proportional to 369,655.52, 554,401.56 and 103,344.44 is: 154,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,655.52 : 554,401.56 = 103,344.44 : x
  2. Step 2: Convert to fraction form
    369,655.52/554,401.56 = 103,344.44/x
  3. Step 3: Cross multiply
    369,655.52x = 554,401.56 × 103,344.44
  4. Step 4: Simplify right side
    369,655.52x = 57,294,318,753.33
  5. Step 5: Solve for x
    x = 57,294,318,753.33/369,655.52
  6. Step 6: Final answer
    x = 154,993.81

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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.