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Finding the Fourth Proportional to 333,553.68, 500,447.97 and 221,678.10

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Solution

The fourth proportional to 333,553.68, 500,447.97 and 221,678.10 is: 332,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,553.68 : 500,447.97 = 221,678.10 : x
  2. Step 2: Convert to fraction form
    333,553.68/500,447.97 = 221,678.10/x
  3. Step 3: Cross multiply
    333,553.68x = 500,447.97 × 221,678.10
  4. Step 4: Simplify right side
    333,553.68x = 110,938,355,138.46
  5. Step 5: Solve for x
    x = 110,938,355,138.46/333,553.68
  6. Step 6: Final answer
    x = 332,595.21

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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.