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Finding the Fourth Proportional to 316,998.52, 437,451.04 and 173,755.48

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Solution

The fourth proportional to 316,998.52, 437,451.04 and 173,755.48 is: 239,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,998.52 : 437,451.04 = 173,755.48 : x
  2. Step 2: Convert to fraction form
    316,998.52/437,451.04 = 173,755.48/x
  3. Step 3: Cross multiply
    316,998.52x = 437,451.04 × 173,755.48
  4. Step 4: Simplify right side
    316,998.52x = 76,009,515,431.70
  5. Step 5: Solve for x
    x = 76,009,515,431.70/316,998.52
  6. Step 6: Final answer
    x = 239,778.77

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1.5x scale

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.