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Finding the Fourth Proportional to 701,070, 967,476.60 and 399,292.08

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Solution

The fourth proportional to 701,070, 967,476.60 and 399,292.08 is: 551,023.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,070 : 967,476.60 = 399,292.08 : x
  2. Step 2: Convert to fraction form
    701,070/967,476.60 = 399,292.08/x
  3. Step 3: Cross multiply
    701,070x = 967,476.60 × 399,292.08
  4. Step 4: Simplify right side
    701,070x = 386,305,743,965.33
  5. Step 5: Solve for x
    x = 386,305,743,965.33/701,070
  6. Step 6: Final answer
    x = 551,023.07

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