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Finding the Fourth Proportional to 635,463.81, 876,957.98 and 349,002.34

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Solution

The fourth proportional to 635,463.81, 876,957.98 and 349,002.34 is: 481,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,463.81 : 876,957.98 = 349,002.34 : x
  2. Step 2: Convert to fraction form
    635,463.81/876,957.98 = 349,002.34/x
  3. Step 3: Cross multiply
    635,463.81x = 876,957.98 × 349,002.34
  4. Step 4: Simplify right side
    635,463.81x = 306,060,383,164.27
  5. Step 5: Solve for x
    x = 306,060,383,164.27/635,463.81
  6. Step 6: Final answer
    x = 481,633.07

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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.