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Finding the Fourth Proportional to 365,278.60, 548,004.30 and 115,960.60

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Solution

The fourth proportional to 365,278.60, 548,004.30 and 115,960.60 is: 173,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,278.60 : 548,004.30 = 115,960.60 : x
  2. Step 2: Convert to fraction form
    365,278.60/548,004.30 = 115,960.60/x
  3. Step 3: Cross multiply
    365,278.60x = 548,004.30 × 115,960.60
  4. Step 4: Simplify right side
    365,278.60x = 63,546,907,430.58
  5. Step 5: Solve for x
    x = 63,546,907,430.58/365,278.60
  6. Step 6: Final answer
    x = 173,968.33

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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.