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Finding the Fourth Proportional to 343,960.66, 474,639.69 and 193,028.50

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Solution

The fourth proportional to 343,960.66, 474,639.69 and 193,028.50 is: 266,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,960.66 : 474,639.69 = 193,028.50 : x
  2. Step 2: Convert to fraction form
    343,960.66/474,639.69 = 193,028.50/x
  3. Step 3: Cross multiply
    343,960.66x = 474,639.69 × 193,028.50
  4. Step 4: Simplify right side
    343,960.66x = 91,618,987,401.17
  5. Step 5: Solve for x
    x = 91,618,987,401.17/343,960.66
  6. Step 6: Final answer
    x = 266,364.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.