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Finding the Fourth Proportional to 404,739.32, 607,100.60 and 134,887.03

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Solution

The fourth proportional to 404,739.32, 607,100.60 and 134,887.03 is: 202,327.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,739.32 : 607,100.60 = 134,887.03 : x
  2. Step 2: Convert to fraction form
    404,739.32/607,100.60 = 134,887.03/x
  3. Step 3: Cross multiply
    404,739.32x = 607,100.60 × 134,887.03
  4. Step 4: Simplify right side
    404,739.32x = 81,889,995,664.68
  5. Step 5: Solve for x
    x = 81,889,995,664.68/404,739.32
  6. Step 6: Final answer
    x = 202,327.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.