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Finding the Fourth Proportional to 328,855.88, 453,821.03 and 177,952.88

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Solution

The fourth proportional to 328,855.88, 453,821.03 and 177,952.88 is: 245,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,855.88 : 453,821.03 = 177,952.88 : x
  2. Step 2: Convert to fraction form
    328,855.88/453,821.03 = 177,952.88/x
  3. Step 3: Cross multiply
    328,855.88x = 453,821.03 × 177,952.88
  4. Step 4: Simplify right side
    328,855.88x = 80,758,760,205.18
  5. Step 5: Solve for x
    x = 80,758,760,205.18/328,855.88
  6. Step 6: Final answer
    x = 245,574.93

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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.