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Finding the Fourth Proportional to 427,901.52, 590,503.82 and 236,927

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Solution

The fourth proportional to 427,901.52, 590,503.82 and 236,927 is: 326,959.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,901.52 : 590,503.82 = 236,927 : x
  2. Step 2: Convert to fraction form
    427,901.52/590,503.82 = 236,927/x
  3. Step 3: Cross multiply
    427,901.52x = 590,503.82 × 236,927
  4. Step 4: Simplify right side
    427,901.52x = 139,906,298,561.14
  5. Step 5: Solve for x
    x = 139,906,298,561.14/427,901.52
  6. Step 6: Final answer
    x = 326,959.11

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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.