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Finding the Fourth Proportional to 333,774.90, 501,036.01 and 221,674.06

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Solution

The fourth proportional to 333,774.90, 501,036.01 and 221,674.06 is: 332,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,774.90 : 501,036.01 = 221,674.06 : x
  2. Step 2: Convert to fraction form
    333,774.90/501,036.01 = 221,674.06/x
  3. Step 3: Cross multiply
    333,774.90x = 501,036.01 × 221,674.06
  4. Step 4: Simplify right side
    333,774.90x = 111,066,686,542.90
  5. Step 5: Solve for x
    x = 111,066,686,542.90/333,774.90
  6. Step 6: Final answer
    x = 332,759.25

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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.