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Finding the Fourth Proportional to 356,849.01, 492,458.34 and 195,694.42

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Solution

The fourth proportional to 356,849.01, 492,458.34 and 195,694.42 is: 270,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,849.01 : 492,458.34 = 195,694.42 : x
  2. Step 2: Convert to fraction form
    356,849.01/492,458.34 = 195,694.42/x
  3. Step 3: Cross multiply
    356,849.01x = 492,458.34 × 195,694.42
  4. Step 4: Simplify right side
    356,849.01x = 96,371,349,220.46
  5. Step 5: Solve for x
    x = 96,371,349,220.46/356,849.01
  6. Step 6: Final answer
    x = 270,061.98

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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.