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Finding the Fourth Proportional to 295,399.00, 407,648.55 and 161,263.00

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Solution

The fourth proportional to 295,399.00, 407,648.55 and 161,263.00 is: 222,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,399.00 : 407,648.55 = 161,263.00 : x
  2. Step 2: Convert to fraction form
    295,399.00/407,648.55 = 161,263.00/x
  3. Step 3: Cross multiply
    295,399.00x = 407,648.55 × 161,263.00
  4. Step 4: Simplify right side
    295,399.00x = 65,738,628,325.84
  5. Step 5: Solve for x
    x = 65,738,628,325.84/295,399.00
  6. Step 6: Final answer
    x = 222,541.81

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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.