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Finding the Fourth Proportional to 328,431.88, 453,197.49 and 185,183.38

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Solution

The fourth proportional to 328,431.88, 453,197.49 and 185,183.38 is: 255,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,431.88 : 453,197.49 = 185,183.38 : x
  2. Step 2: Convert to fraction form
    328,431.88/453,197.49 = 185,183.38/x
  3. Step 3: Cross multiply
    328,431.88x = 453,197.49 × 185,183.38
  4. Step 4: Simplify right side
    328,431.88x = 83,924,643,005.72
  5. Step 5: Solve for x
    x = 83,924,643,005.72/328,431.88
  6. Step 6: Final answer
    x = 255,531.35

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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.