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Finding the Fourth Proportional to 325,564.56, 488,464.29 and 173,601.81

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Solution

The fourth proportional to 325,564.56, 488,464.29 and 173,601.81 is: 260,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,564.56 : 488,464.29 = 173,601.81 : x
  2. Step 2: Convert to fraction form
    325,564.56/488,464.29 = 173,601.81/x
  3. Step 3: Cross multiply
    325,564.56x = 488,464.29 × 173,601.81
  4. Step 4: Simplify right side
    325,564.56x = 84,798,284,864.36
  5. Step 5: Solve for x
    x = 84,798,284,864.36/325,564.56
  6. Step 6: Final answer
    x = 260,465.34

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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.