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Finding the Fourth Proportional to 333,401.40, 499,664.70 and 133,558.20

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Solution

The fourth proportional to 333,401.40, 499,664.70 and 133,558.20 is: 200,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,401.40 : 499,664.70 = 133,558.20 : x
  2. Step 2: Convert to fraction form
    333,401.40/499,664.70 = 133,558.20/x
  3. Step 3: Cross multiply
    333,401.40x = 499,664.70 × 133,558.20
  4. Step 4: Simplify right side
    333,401.40x = 66,734,317,935.54
  5. Step 5: Solve for x
    x = 66,734,317,935.54/333,401.40
  6. Step 6: Final answer
    x = 200,162.08

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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.