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Finding the Fourth Proportional to 328,530.88, 453,373.29 and 177,627.88

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Solution

The fourth proportional to 328,530.88, 453,373.29 and 177,627.88 is: 245,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,530.88 : 453,373.29 = 177,627.88 : x
  2. Step 2: Convert to fraction form
    328,530.88/453,373.29 = 177,627.88/x
  3. Step 3: Cross multiply
    328,530.88x = 453,373.29 × 177,627.88
  4. Step 4: Simplify right side
    328,530.88x = 80,531,736,351.33
  5. Step 5: Solve for x
    x = 80,531,736,351.33/328,530.88
  6. Step 6: Final answer
    x = 245,126.84

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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.