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Finding the Fourth Proportional to 333,321.94, 459,972.93 and 190,128.34

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Solution

The fourth proportional to 333,321.94, 459,972.93 and 190,128.34 is: 262,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,321.94 : 459,972.93 = 190,128.34 : x
  2. Step 2: Convert to fraction form
    333,321.94/459,972.93 = 190,128.34/x
  3. Step 3: Cross multiply
    333,321.94x = 459,972.93 × 190,128.34
  4. Step 4: Simplify right side
    333,321.94x = 87,453,889,625.84
  5. Step 5: Solve for x
    x = 87,453,889,625.84/333,321.94
  6. Step 6: Final answer
    x = 262,370.64

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1.5x scale

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.