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Finding the Fourth Proportional to 552,970.87, 763,224.24 and 361,873.54

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Solution

The fourth proportional to 552,970.87, 763,224.24 and 361,873.54 is: 499,466.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,970.87 : 763,224.24 = 361,873.54 : x
  2. Step 2: Convert to fraction form
    552,970.87/763,224.24 = 361,873.54/x
  3. Step 3: Cross multiply
    552,970.87x = 763,224.24 × 361,873.54
  4. Step 4: Simplify right side
    552,970.87x = 276,190,657,542.61
  5. Step 5: Solve for x
    x = 276,190,657,542.61/552,970.87
  6. Step 6: Final answer
    x = 499,466.92

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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.