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Finding the Fourth Proportional to 333,693.33, 500,435.42 and 109,002.57

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Solution

The fourth proportional to 333,693.33, 500,435.42 and 109,002.57 is: 163,469.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,693.33 : 500,435.42 = 109,002.57 : x
  2. Step 2: Convert to fraction form
    333,693.33/500,435.42 = 109,002.57/x
  3. Step 3: Cross multiply
    333,693.33x = 500,435.42 × 109,002.57
  4. Step 4: Simplify right side
    333,693.33x = 54,548,746,354.02
  5. Step 5: Solve for x
    x = 54,548,746,354.02/333,693.33
  6. Step 6: Final answer
    x = 163,469.69

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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.