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Finding the Fourth Proportional to 336,001.20, 504,390.60 and 193,959.60

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Solution

The fourth proportional to 336,001.20, 504,390.60 and 193,959.60 is: 291,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,001.20 : 504,390.60 = 193,959.60 : x
  2. Step 2: Convert to fraction form
    336,001.20/504,390.60 = 193,959.60/x
  3. Step 3: Cross multiply
    336,001.20x = 504,390.60 × 193,959.60
  4. Step 4: Simplify right side
    336,001.20x = 97,831,399,019.76
  5. Step 5: Solve for x
    x = 97,831,399,019.76/336,001.20
  6. Step 6: Final answer
    x = 291,163.84

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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.