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Finding the Fourth Proportional to 325,407.36, 487,924.15 and 173,417.31

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Solution

The fourth proportional to 325,407.36, 487,924.15 and 173,417.31 is: 260,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,407.36 : 487,924.15 = 173,417.31 : x
  2. Step 2: Convert to fraction form
    325,407.36/487,924.15 = 173,417.31/x
  3. Step 3: Cross multiply
    325,407.36x = 487,924.15 × 173,417.31
  4. Step 4: Simplify right side
    325,407.36x = 84,614,493,577.04
  5. Step 5: Solve for x
    x = 84,614,493,577.04/325,407.36
  6. Step 6: Final answer
    x = 260,026.37

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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.