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Finding the Fourth Proportional to 328,698.27, 453,603.65 and 177,795.27

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Solution

The fourth proportional to 328,698.27, 453,603.65 and 177,795.27 is: 245,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,698.27 : 453,603.65 = 177,795.27 : x
  2. Step 2: Convert to fraction form
    328,698.27/453,603.65 = 177,795.27/x
  3. Step 3: Cross multiply
    328,698.27x = 453,603.65 × 177,795.27
  4. Step 4: Simplify right side
    328,698.27x = 80,648,582,535.76
  5. Step 5: Solve for x
    x = 80,648,582,535.76/328,698.27
  6. Step 6: Final answer
    x = 245,357.49

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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.