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Finding the Fourth Proportional to 328,199.88, 452,915.83 and 177,296.88

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Solution

The fourth proportional to 328,199.88, 452,915.83 and 177,296.88 is: 244,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,199.88 : 452,915.83 = 177,296.88 : x
  2. Step 2: Convert to fraction form
    328,199.88/452,915.83 = 177,296.88/x
  3. Step 3: Cross multiply
    328,199.88x = 452,915.83 × 177,296.88
  4. Step 4: Simplify right side
    328,199.88x = 80,300,563,561.61
  5. Step 5: Solve for x
    x = 80,300,563,561.61/328,199.88
  6. Step 6: Final answer
    x = 244,669.69

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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.