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Finding the Fourth Proportional to 325,058.52, 448,628.64 and 197,709.48

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Solution

The fourth proportional to 325,058.52, 448,628.64 and 197,709.48 is: 272,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,058.52 : 448,628.64 = 197,709.48 : x
  2. Step 2: Convert to fraction form
    325,058.52/448,628.64 = 197,709.48/x
  3. Step 3: Cross multiply
    325,058.52x = 448,628.64 × 197,709.48
  4. Step 4: Simplify right side
    325,058.52x = 88,698,135,127.51
  5. Step 5: Solve for x
    x = 88,698,135,127.51/325,058.52
  6. Step 6: Final answer
    x = 272,868.21

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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.