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Finding the Fourth Proportional to 328,245.68, 452,979.36 and 177,342.80

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Solution

The fourth proportional to 328,245.68, 452,979.36 and 177,342.80 is: 244,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,245.68 : 452,979.36 = 177,342.80 : x
  2. Step 2: Convert to fraction form
    328,245.68/452,979.36 = 177,342.80/x
  3. Step 3: Cross multiply
    328,245.68x = 452,979.36 × 177,342.80
  4. Step 4: Simplify right side
    328,245.68x = 80,332,628,044.61
  5. Step 5: Solve for x
    x = 80,332,628,044.61/328,245.68
  6. Step 6: Final answer
    x = 244,733.24

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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.