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Finding the Fourth Proportional to 344,110.40, 516,165.60 and 325,739.60

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Solution

The fourth proportional to 344,110.40, 516,165.60 and 325,739.60 is: 488,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,110.40 : 516,165.60 = 325,739.60 : x
  2. Step 2: Convert to fraction form
    344,110.40/516,165.60 = 325,739.60/x
  3. Step 3: Cross multiply
    344,110.40x = 516,165.60 × 325,739.60
  4. Step 4: Simplify right side
    344,110.40x = 168,135,576,077.76
  5. Step 5: Solve for x
    x = 168,135,576,077.76/344,110.40
  6. Step 6: Final answer
    x = 488,609.40

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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.