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Finding the Fourth Proportional to 355,571.60, 532,061.40 and 222,515.60

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Solution

The fourth proportional to 355,571.60, 532,061.40 and 222,515.60 is: 332,962.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,571.60 : 532,061.40 = 222,515.60 : x
  2. Step 2: Convert to fraction form
    355,571.60/532,061.40 = 222,515.60/x
  3. Step 3: Cross multiply
    355,571.60x = 532,061.40 × 222,515.60
  4. Step 4: Simplify right side
    355,571.60x = 118,391,961,657.84
  5. Step 5: Solve for x
    x = 118,391,961,657.84/355,571.60
  6. Step 6: Final answer
    x = 332,962.37

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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.