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Finding the Fourth Proportional to 445,361.29, 668,188.54 and 296,188.45

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Solution

The fourth proportional to 445,361.29, 668,188.54 and 296,188.45 is: 444,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,361.29 : 668,188.54 = 296,188.45 : x
  2. Step 2: Convert to fraction form
    445,361.29/668,188.54 = 296,188.45/x
  3. Step 3: Cross multiply
    445,361.29x = 668,188.54 × 296,188.45
  4. Step 4: Simplify right side
    445,361.29x = 197,909,726,670.13
  5. Step 5: Solve for x
    x = 197,909,726,670.13/445,361.29
  6. Step 6: Final answer
    x = 444,380.17

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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.