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Finding the Fourth Proportional to 328,255.20, 452,992.12 and 177,352.20

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Solution

The fourth proportional to 328,255.20, 452,992.12 and 177,352.20 is: 244,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,255.20 : 452,992.12 = 177,352.20 : x
  2. Step 2: Convert to fraction form
    328,255.20/452,992.12 = 177,352.20/x
  3. Step 3: Cross multiply
    328,255.20x = 452,992.12 × 177,352.20
  4. Step 4: Simplify right side
    328,255.20x = 80,339,149,064.66
  5. Step 5: Solve for x
    x = 80,339,149,064.66/328,255.20
  6. Step 6: Final answer
    x = 244,746.01

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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.