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Finding the Fourth Proportional to 333,754.28, 500,774.79 and 221,473.70

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Solution

The fourth proportional to 333,754.28, 500,774.79 and 221,473.70 is: 332,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,754.28 : 500,774.79 = 221,473.70 : x
  2. Step 2: Convert to fraction form
    333,754.28/500,774.79 = 221,473.70/x
  3. Step 3: Cross multiply
    333,754.28x = 500,774.79 × 221,473.70
  4. Step 4: Simplify right side
    333,754.28x = 110,908,445,608.02
  5. Step 5: Solve for x
    x = 110,908,445,608.02/333,754.28
  6. Step 6: Final answer
    x = 332,305.69

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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.