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Finding the Fourth Proportional to 333,279.36, 459,914.09 and 190,085.54

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Solution

The fourth proportional to 333,279.36, 459,914.09 and 190,085.54 is: 262,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,279.36 : 459,914.09 = 190,085.54 : x
  2. Step 2: Convert to fraction form
    333,279.36/459,914.09 = 190,085.54/x
  3. Step 3: Cross multiply
    333,279.36x = 459,914.09 × 190,085.54
  4. Step 4: Simplify right side
    333,279.36x = 87,423,014,901.26
  5. Step 5: Solve for x
    x = 87,423,014,901.26/333,279.36
  6. Step 6: Final answer
    x = 262,311.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.