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Finding the Fourth Proportional to 247,338.01, 340,954.36 and 193,529.60

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Solution

The fourth proportional to 247,338.01, 340,954.36 and 193,529.60 is: 266,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,338.01 : 340,954.36 = 193,529.60 : x
  2. Step 2: Convert to fraction form
    247,338.01/340,954.36 = 193,529.60/x
  3. Step 3: Cross multiply
    247,338.01x = 340,954.36 × 193,529.60
  4. Step 4: Simplify right side
    247,338.01x = 65,984,763,005.51
  5. Step 5: Solve for x
    x = 65,984,763,005.51/247,338.01
  6. Step 6: Final answer
    x = 266,779.72

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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.