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Finding the Fourth Proportional to 328,404.77, 453,198.59 and 177,501.77

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Solution

The fourth proportional to 328,404.77, 453,198.59 and 177,501.77 is: 244,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,404.77 : 453,198.59 = 177,501.77 : x
  2. Step 2: Convert to fraction form
    328,404.77/453,198.59 = 177,501.77/x
  3. Step 3: Cross multiply
    328,404.77x = 453,198.59 × 177,501.77
  4. Step 4: Simplify right side
    328,404.77x = 80,443,548,733.00
  5. Step 5: Solve for x
    x = 80,443,548,733.00/328,404.77
  6. Step 6: Final answer
    x = 244,952.44

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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.