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Finding the Fourth Proportional to 296,831.44, 445,136.44 and 119,278.36

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Solution

The fourth proportional to 296,831.44, 445,136.44 and 119,278.36 is: 178,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,831.44 : 445,136.44 = 119,278.36 : x
  2. Step 2: Convert to fraction form
    296,831.44/445,136.44 = 119,278.36/x
  3. Step 3: Cross multiply
    296,831.44x = 445,136.44 × 119,278.36
  4. Step 4: Simplify right side
    296,831.44x = 53,095,144,539.44
  5. Step 5: Solve for x
    x = 53,095,144,539.44/296,831.44
  6. Step 6: Final answer
    x = 178,873.05

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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.