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Finding the Fourth Proportional to 320,251.88, 441,970.53 and 177,008.87

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Solution

The fourth proportional to 320,251.88, 441,970.53 and 177,008.87 is: 244,284.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,251.88 : 441,970.53 = 177,008.87 : x
  2. Step 2: Convert to fraction form
    320,251.88/441,970.53 = 177,008.87/x
  3. Step 3: Cross multiply
    320,251.88x = 441,970.53 × 177,008.87
  4. Step 4: Simplify right side
    320,251.88x = 78,232,704,088.60
  5. Step 5: Solve for x
    x = 78,232,704,088.60/320,251.88
  6. Step 6: Final answer
    x = 244,284.92

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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.