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Finding the Fourth Proportional to 328,743.88, 453,662.12 and 183,551.90

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Solution

The fourth proportional to 328,743.88, 453,662.12 and 183,551.90 is: 253,299.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,743.88 : 453,662.12 = 183,551.90 : x
  2. Step 2: Convert to fraction form
    328,743.88/453,662.12 = 183,551.90/x
  3. Step 3: Cross multiply
    328,743.88x = 453,662.12 × 183,551.90
  4. Step 4: Simplify right side
    328,743.88x = 83,270,543,625.15
  5. Step 5: Solve for x
    x = 83,270,543,625.15/328,743.88
  6. Step 6: Final answer
    x = 253,299.14

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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.