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Finding the Fourth Proportional to 374,955.22, 562,517.22 and 118,803.20

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Solution

The fourth proportional to 374,955.22, 562,517.22 and 118,803.20 is: 178,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,955.22 : 562,517.22 = 118,803.20 : x
  2. Step 2: Convert to fraction form
    374,955.22/562,517.22 = 118,803.20/x
  3. Step 3: Cross multiply
    374,955.22x = 562,517.22 × 118,803.20
  4. Step 4: Simplify right side
    374,955.22x = 66,828,845,197.09
  5. Step 5: Solve for x
    x = 66,828,845,197.09/374,955.22
  6. Step 6: Final answer
    x = 178,231.54

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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.