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Finding the Fourth Proportional to 328,083.59, 452,755.31 and 177,180.59

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Solution

The fourth proportional to 328,083.59, 452,755.31 and 177,180.59 is: 244,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,083.59 : 452,755.31 = 177,180.59 : x
  2. Step 2: Convert to fraction form
    328,083.59/452,755.31 = 177,180.59/x
  3. Step 3: Cross multiply
    328,083.59x = 452,755.31 × 177,180.59
  4. Step 4: Simplify right side
    328,083.59x = 80,219,449,801.75
  5. Step 5: Solve for x
    x = 80,219,449,801.75/328,083.59
  6. Step 6: Final answer
    x = 244,509.18

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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.