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Finding the Fourth Proportional to 493,698.56, 681,303.04 and 267,343.36

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Solution

The fourth proportional to 493,698.56, 681,303.04 and 267,343.36 is: 368,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,698.56 : 681,303.04 = 267,343.36 : x
  2. Step 2: Convert to fraction form
    493,698.56/681,303.04 = 267,343.36/x
  3. Step 3: Cross multiply
    493,698.56x = 681,303.04 × 267,343.36
  4. Step 4: Simplify right side
    493,698.56x = 182,141,843,891.81
  5. Step 5: Solve for x
    x = 182,141,843,891.81/493,698.56
  6. Step 6: Final answer
    x = 368,933.31

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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.