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Finding the Fourth Proportional to 322,075.36, 482,858.96 and 203,496.80

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Solution

The fourth proportional to 322,075.36, 482,858.96 and 203,496.80 is: 305,084.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,075.36 : 482,858.96 = 203,496.80 : x
  2. Step 2: Convert to fraction form
    322,075.36/482,858.96 = 203,496.80/x
  3. Step 3: Cross multiply
    322,075.36x = 482,858.96 × 203,496.80
  4. Step 4: Simplify right side
    322,075.36x = 98,260,253,211.33
  5. Step 5: Solve for x
    x = 98,260,253,211.33/322,075.36
  6. Step 6: Final answer
    x = 305,084.66

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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.