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Finding the Fourth Proportional to 374,993.88, 562,549.44 and 122,215.60

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Solution

The fourth proportional to 374,993.88, 562,549.44 and 122,215.60 is: 183,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,993.88 : 562,549.44 = 122,215.60 : x
  2. Step 2: Convert to fraction form
    374,993.88/562,549.44 = 122,215.60/x
  3. Step 3: Cross multiply
    374,993.88x = 562,549.44 × 122,215.60
  4. Step 4: Simplify right side
    374,993.88x = 68,752,317,339.26
  5. Step 5: Solve for x
    x = 68,752,317,339.26/374,993.88
  6. Step 6: Final answer
    x = 183,342.51

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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.