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Finding the Fourth Proportional to 647,933.66, 894,145.92 and 361,453.52

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Solution

The fourth proportional to 647,933.66, 894,145.92 and 361,453.52 is: 498,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,933.66 : 894,145.92 = 361,453.52 : x
  2. Step 2: Convert to fraction form
    647,933.66/894,145.92 = 361,453.52/x
  3. Step 3: Cross multiply
    647,933.66x = 894,145.92 × 361,453.52
  4. Step 4: Simplify right side
    647,933.66x = 323,192,190,177.64
  5. Step 5: Solve for x
    x = 323,192,190,177.64/647,933.66
  6. Step 6: Final answer
    x = 498,804.45

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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.