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Finding the Fourth Proportional to 373,485.60, 559,353.60 and 254,512.80

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Solution

The fourth proportional to 373,485.60, 559,353.60 and 254,512.80 is: 381,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,485.60 : 559,353.60 = 254,512.80 : x
  2. Step 2: Convert to fraction form
    373,485.60/559,353.60 = 254,512.80/x
  3. Step 3: Cross multiply
    373,485.60x = 559,353.60 × 254,512.80
  4. Step 4: Simplify right side
    373,485.60x = 142,362,650,926.08
  5. Step 5: Solve for x
    x = 142,362,650,926.08/373,485.60
  6. Step 6: Final answer
    x = 381,173.07

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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.