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Finding the Fourth Proportional to 1,314,494.72, 1,971,664.32 and 367,844.48

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Solution

The fourth proportional to 1,314,494.72, 1,971,664.32 and 367,844.48 is: 551,744.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,494.72 : 1,971,664.32 = 367,844.48 : x
  2. Step 2: Convert to fraction form
    1,314,494.72/1,971,664.32 = 367,844.48/x
  3. Step 3: Cross multiply
    1,314,494.72x = 1,971,664.32 × 367,844.48
  4. Step 4: Simplify right side
    1,314,494.72x = 725,265,836,524.95
  5. Step 5: Solve for x
    x = 725,265,836,524.95/1,314,494.72
  6. Step 6: Final answer
    x = 551,744.96

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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.