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Finding the Fourth Proportional to 502,214.58, 753,321.87 and 221,675.94

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Solution

The fourth proportional to 502,214.58, 753,321.87 and 221,675.94 is: 332,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,214.58 : 753,321.87 = 221,675.94 : x
  2. Step 2: Convert to fraction form
    502,214.58/753,321.87 = 221,675.94/x
  3. Step 3: Cross multiply
    502,214.58x = 753,321.87 × 221,675.94
  4. Step 4: Simplify right side
    502,214.58x = 166,993,333,654.81
  5. Step 5: Solve for x
    x = 166,993,333,654.81/502,214.58
  6. Step 6: Final answer
    x = 332,513.91

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Similar ratio
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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.