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Finding the Fourth Proportional to 316,704.48, 437,053.44 and 173,463.36

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Solution

The fourth proportional to 316,704.48, 437,053.44 and 173,463.36 is: 239,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,704.48 : 437,053.44 = 173,463.36 : x
  2. Step 2: Convert to fraction form
    316,704.48/437,053.44 = 173,463.36/x
  3. Step 3: Cross multiply
    316,704.48x = 437,053.44 × 173,463.36
  4. Step 4: Simplify right side
    316,704.48x = 75,812,758,201.96
  5. Step 5: Solve for x
    x = 75,812,758,201.96/316,704.48
  6. Step 6: Final answer
    x = 239,380.13

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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.