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Finding the Fourth Proportional to 355,774.60, 532,615.38 and 222,250.15

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Solution

The fourth proportional to 355,774.60, 532,615.38 and 222,250.15 is: 332,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,774.60 : 532,615.38 = 222,250.15 : x
  2. Step 2: Convert to fraction form
    355,774.60/532,615.38 = 222,250.15/x
  3. Step 3: Cross multiply
    355,774.60x = 532,615.38 × 222,250.15
  4. Step 4: Simplify right side
    355,774.60x = 118,373,848,097.31
  5. Step 5: Solve for x
    x = 118,373,848,097.31/355,774.60
  6. Step 6: Final answer
    x = 332,721.47

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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.