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Finding the Fourth Proportional to 333,787.41, 501,054.75 and 221,686.56

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Solution

The fourth proportional to 333,787.41, 501,054.75 and 221,686.56 is: 332,777.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,787.41 : 501,054.75 = 221,686.56 : x
  2. Step 2: Convert to fraction form
    333,787.41/501,054.75 = 221,686.56/x
  3. Step 3: Cross multiply
    333,787.41x = 501,054.75 × 221,686.56
  4. Step 4: Simplify right side
    333,787.41x = 111,077,103,899.16
  5. Step 5: Solve for x
    x = 111,077,103,899.16/333,787.41
  6. Step 6: Final answer
    x = 332,777.99

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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.