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Finding the Fourth Proportional to 333,773.21, 500,707.52 and 102,981.75

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Solution

The fourth proportional to 333,773.21, 500,707.52 and 102,981.75 is: 154,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,773.21 : 500,707.52 = 102,981.75 : x
  2. Step 2: Convert to fraction form
    333,773.21/500,707.52 = 102,981.75/x
  3. Step 3: Cross multiply
    333,773.21x = 500,707.52 × 102,981.75
  4. Step 4: Simplify right side
    333,773.21x = 51,563,735,220.65
  5. Step 5: Solve for x
    x = 51,563,735,220.65/333,773.21
  6. Step 6: Final answer
    x = 154,487.34

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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.