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Finding the Fourth Proportional to 502,215.58, 753,323.37 and 221,676.94

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Solution

The fourth proportional to 502,215.58, 753,323.37 and 221,676.94 is: 332,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,215.58 : 753,323.37 = 221,676.94 : x
  2. Step 2: Convert to fraction form
    502,215.58/753,323.37 = 221,676.94/x
  3. Step 3: Cross multiply
    502,215.58x = 753,323.37 × 221,676.94
  4. Step 4: Simplify right side
    502,215.58x = 166,994,419,492.09
  5. Step 5: Solve for x
    x = 166,994,419,492.09/502,215.58
  6. Step 6: Final answer
    x = 332,515.41

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Similar ratio
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1.5x scale

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.