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Finding the Fourth Proportional to 328,438.66, 453,245.14 and 177,535.66

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Solution

The fourth proportional to 328,438.66, 453,245.14 and 177,535.66 is: 244,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,438.66 : 453,245.14 = 177,535.66 : x
  2. Step 2: Convert to fraction form
    328,438.66/453,245.14 = 177,535.66/x
  3. Step 3: Cross multiply
    328,438.66x = 453,245.14 × 177,535.66
  4. Step 4: Simplify right side
    328,438.66x = 80,467,175,071.69
  5. Step 5: Solve for x
    x = 80,467,175,071.69/328,438.66
  6. Step 6: Final answer
    x = 244,999.10

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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.