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Finding the Fourth Proportional to 350,864.82, 484,193.10 and 189,719.48

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Solution

The fourth proportional to 350,864.82, 484,193.10 and 189,719.48 is: 261,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,864.82 : 484,193.10 = 189,719.48 : x
  2. Step 2: Convert to fraction form
    350,864.82/484,193.10 = 189,719.48/x
  3. Step 3: Cross multiply
    350,864.82x = 484,193.10 × 189,719.48
  4. Step 4: Simplify right side
    350,864.82x = 91,860,863,151.59
  5. Step 5: Solve for x
    x = 91,860,863,151.59/350,864.82
  6. Step 6: Final answer
    x = 261,812.69

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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.