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Finding the Fourth Proportional to 350,830.34, 484,134.37 and 197,872.47

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Solution

The fourth proportional to 350,830.34, 484,134.37 and 197,872.47 is: 273,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,830.34 : 484,134.37 = 197,872.47 : x
  2. Step 2: Convert to fraction form
    350,830.34/484,134.37 = 197,872.47/x
  3. Step 3: Cross multiply
    350,830.34x = 484,134.37 × 197,872.47
  4. Step 4: Simplify right side
    350,830.34x = 95,796,863,109.11
  5. Step 5: Solve for x
    x = 95,796,863,109.11/350,830.34
  6. Step 6: Final answer
    x = 273,057.52

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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.