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Finding the Fourth Proportional to 483,692, 725,554.24 and 217,453.36

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Solution

The fourth proportional to 483,692, 725,554.24 and 217,453.36 is: 326,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,692 : 725,554.24 = 217,453.36 : x
  2. Step 2: Convert to fraction form
    483,692/725,554.24 = 217,453.36/x
  3. Step 3: Cross multiply
    483,692x = 725,554.24 × 217,453.36
  4. Step 4: Simplify right side
    483,692x = 157,774,207,350.25
  5. Step 5: Solve for x
    x = 157,774,207,350.25/483,692
  6. Step 6: Final answer
    x = 326,187.34

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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.