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Finding the Fourth Proportional to 328,793.50, 453,738.27 and 177,893.74

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Solution

The fourth proportional to 328,793.50, 453,738.27 and 177,893.74 is: 245,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,793.50 : 453,738.27 = 177,893.74 : x
  2. Step 2: Convert to fraction form
    328,793.50/453,738.27 = 177,893.74/x
  3. Step 3: Cross multiply
    328,793.50x = 453,738.27 × 177,893.74
  4. Step 4: Simplify right side
    328,793.50x = 80,717,197,831.43
  5. Step 5: Solve for x
    x = 80,717,197,831.43/328,793.50
  6. Step 6: Final answer
    x = 245,495.11

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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.