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Finding the Fourth Proportional to 328,228.25, 452,954.99 and 177,325.25

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Solution

The fourth proportional to 328,228.25, 452,954.99 and 177,325.25 is: 244,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,228.25 : 452,954.99 = 177,325.25 : x
  2. Step 2: Convert to fraction form
    328,228.25/452,954.99 = 177,325.25/x
  3. Step 3: Cross multiply
    328,228.25x = 452,954.99 × 177,325.25
  4. Step 4: Simplify right side
    328,228.25x = 80,320,355,953.87
  5. Step 5: Solve for x
    x = 80,320,355,953.87/328,228.25
  6. Step 6: Final answer
    x = 244,708.85

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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.