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Finding the Fourth Proportional to 328,773.52, 453,703.62 and 192,779.38

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Solution

The fourth proportional to 328,773.52, 453,703.62 and 192,779.38 is: 266,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,773.52 : 453,703.62 = 192,779.38 : x
  2. Step 2: Convert to fraction form
    328,773.52/453,703.62 = 192,779.38/x
  3. Step 3: Cross multiply
    328,773.52x = 453,703.62 × 192,779.38
  4. Step 4: Simplify right side
    328,773.52x = 87,464,702,567.36
  5. Step 5: Solve for x
    x = 87,464,702,567.36/328,773.52
  6. Step 6: Final answer
    x = 266,033.29

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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.