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Finding the Fourth Proportional to 483,927.20, 725,026.80 and 234,058.40

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Solution

The fourth proportional to 483,927.20, 725,026.80 and 234,058.40 is: 350,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,927.20 : 725,026.80 = 234,058.40 : x
  2. Step 2: Convert to fraction form
    483,927.20/725,026.80 = 234,058.40/x
  3. Step 3: Cross multiply
    483,927.20x = 725,026.80 × 234,058.40
  4. Step 4: Simplify right side
    483,927.20x = 169,698,612,765.12
  5. Step 5: Solve for x
    x = 169,698,612,765.12/483,927.20
  6. Step 6: Final answer
    x = 350,669.71

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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.