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Finding the Fourth Proportional to 333,661.17, 500,388.26 and 120,401.34

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Solution

The fourth proportional to 333,661.17, 500,388.26 and 120,401.34 is: 180,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,661.17 : 500,388.26 = 120,401.34 : x
  2. Step 2: Convert to fraction form
    333,661.17/500,388.26 = 120,401.34/x
  3. Step 3: Cross multiply
    333,661.17x = 500,388.26 × 120,401.34
  4. Step 4: Simplify right side
    333,661.17x = 60,247,416,422.26
  5. Step 5: Solve for x
    x = 60,247,416,422.26/333,661.17
  6. Step 6: Final answer
    x = 180,564.66

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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.