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Finding the Fourth Proportional to 522,970.44, 722,044.37 and 401,891.64

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Solution

The fourth proportional to 522,970.44, 722,044.37 and 401,891.64 is: 554,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,970.44 : 722,044.37 = 401,891.64 : x
  2. Step 2: Convert to fraction form
    522,970.44/722,044.37 = 401,891.64/x
  3. Step 3: Cross multiply
    522,970.44x = 722,044.37 × 401,891.64
  4. Step 4: Simplify right side
    522,970.44x = 290,183,590,392.39
  5. Step 5: Solve for x
    x = 290,183,590,392.39/522,970.44
  6. Step 6: Final answer
    x = 554,875.71

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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.