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Finding the Fourth Proportional to 404,110.40, 606,167.52 and 123,627.20

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Solution

The fourth proportional to 404,110.40, 606,167.52 and 123,627.20 is: 185,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,110.40 : 606,167.52 = 123,627.20 : x
  2. Step 2: Convert to fraction form
    404,110.40/606,167.52 = 123,627.20/x
  3. Step 3: Cross multiply
    404,110.40x = 606,167.52 × 123,627.20
  4. Step 4: Simplify right side
    404,110.40x = 74,938,793,228.54
  5. Step 5: Solve for x
    x = 74,938,793,228.54/404,110.40
  6. Step 6: Final answer
    x = 185,441.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.