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Finding the Fourth Proportional to 320,858.40, 481,396.98 and 96,224.34

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Solution

The fourth proportional to 320,858.40, 481,396.98 and 96,224.34 is: 144,369.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,858.40 : 481,396.98 = 96,224.34 : x
  2. Step 2: Convert to fraction form
    320,858.40/481,396.98 = 96,224.34/x
  3. Step 3: Cross multiply
    320,858.40x = 481,396.98 × 96,224.34
  4. Step 4: Simplify right side
    320,858.40x = 46,322,106,678.49
  5. Step 5: Solve for x
    x = 46,322,106,678.49/320,858.40
  6. Step 6: Final answer
    x = 144,369.31

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1.5x scale

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.