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Finding the Fourth Proportional to 403,131.87, 604,675.94 and 122,627.25

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Solution

The fourth proportional to 403,131.87, 604,675.94 and 122,627.25 is: 183,934.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,131.87 : 604,675.94 = 122,627.25 : x
  2. Step 2: Convert to fraction form
    403,131.87/604,675.94 = 122,627.25/x
  3. Step 3: Cross multiply
    403,131.87x = 604,675.94 × 122,627.25
  4. Step 4: Simplify right side
    403,131.87x = 74,149,747,050.23
  5. Step 5: Solve for x
    x = 74,149,747,050.23/403,131.87
  6. Step 6: Final answer
    x = 183,934.22

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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.