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Finding the Fourth Proportional to 333,753.78, 500,774.04 and 221,473.20

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Solution

The fourth proportional to 333,753.78, 500,774.04 and 221,473.20 is: 332,304.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,753.78 : 500,774.04 = 221,473.20 : x
  2. Step 2: Convert to fraction form
    333,753.78/500,774.04 = 221,473.20/x
  3. Step 3: Cross multiply
    333,753.78x = 500,774.04 × 221,473.20
  4. Step 4: Simplify right side
    333,753.78x = 110,908,029,115.73
  5. Step 5: Solve for x
    x = 110,908,029,115.73/333,753.78
  6. Step 6: Final answer
    x = 332,304.94

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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.