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Finding the Fourth Proportional to 700,917.23, 967,266.62 and 378,627.33

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Solution

The fourth proportional to 700,917.23, 967,266.62 and 378,627.33 is: 522,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,917.23 : 967,266.62 = 378,627.33 : x
  2. Step 2: Convert to fraction form
    700,917.23/967,266.62 = 378,627.33/x
  3. Step 3: Cross multiply
    700,917.23x = 967,266.62 × 378,627.33
  4. Step 4: Simplify right side
    700,917.23x = 366,233,575,835.59
  5. Step 5: Solve for x
    x = 366,233,575,835.59/700,917.23
  6. Step 6: Final answer
    x = 522,506.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.