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Finding the Fourth Proportional to 878,204.52, 1,211,922 and 475,796.52

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Solution

The fourth proportional to 878,204.52, 1,211,922 and 475,796.52 is: 656,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,204.52 : 1,211,922 = 475,796.52 : x
  2. Step 2: Convert to fraction form
    878,204.52/1,211,922 = 475,796.52/x
  3. Step 3: Cross multiply
    878,204.52x = 1,211,922 × 475,796.52
  4. Step 4: Simplify right side
    878,204.52x = 576,628,270,111.44
  5. Step 5: Solve for x
    x = 576,628,270,111.44/878,204.52
  6. Step 6: Final answer
    x = 656,599.07

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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.