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Finding the Fourth Proportional to 343,808.66, 474,464.13 and 192,916.82

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Solution

The fourth proportional to 343,808.66, 474,464.13 and 192,916.82 is: 266,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,808.66 : 474,464.13 = 192,916.82 : x
  2. Step 2: Convert to fraction form
    343,808.66/474,464.13 = 192,916.82/x
  3. Step 3: Cross multiply
    343,808.66x = 474,464.13 × 192,916.82
  4. Step 4: Simplify right side
    343,808.66x = 91,532,111,163.67
  5. Step 5: Solve for x
    x = 91,532,111,163.67/343,808.66
  6. Step 6: Final answer
    x = 266,229.80

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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.