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Finding the Fourth Proportional to 328,800.94, 453,745.33 and 177,897.94

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Solution

The fourth proportional to 328,800.94, 453,745.33 and 177,897.94 is: 245,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,800.94 : 453,745.33 = 177,897.94 : x
  2. Step 2: Convert to fraction form
    328,800.94/453,745.33 = 177,897.94/x
  3. Step 3: Cross multiply
    328,800.94x = 453,745.33 × 177,897.94
  4. Step 4: Simplify right side
    328,800.94x = 80,720,357,912.51
  5. Step 5: Solve for x
    x = 80,720,357,912.51/328,800.94
  6. Step 6: Final answer
    x = 245,499.17

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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.