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Finding the Fourth Proportional to 333,769.55, 500,654.25 and 221,668.70

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Solution

The fourth proportional to 333,769.55, 500,654.25 and 221,668.70 is: 332,503.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,769.55 : 500,654.25 = 221,668.70 : x
  2. Step 2: Convert to fraction form
    333,769.55/500,654.25 = 221,668.70/x
  3. Step 3: Cross multiply
    333,769.55x = 500,654.25 × 221,668.70
  4. Step 4: Simplify right side
    333,769.55x = 110,979,374,243.70
  5. Step 5: Solve for x
    x = 110,979,374,243.70/333,769.55
  6. Step 6: Final answer
    x = 332,503.00

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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.