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Finding the Fourth Proportional to 605,219.60, 907,829.40 and 184,440.80

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Solution

The fourth proportional to 605,219.60, 907,829.40 and 184,440.80 is: 276,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,219.60 : 907,829.40 = 184,440.80 : x
  2. Step 2: Convert to fraction form
    605,219.60/907,829.40 = 184,440.80/x
  3. Step 3: Cross multiply
    605,219.60x = 907,829.40 × 184,440.80
  4. Step 4: Simplify right side
    605,219.60x = 167,440,780,799.52
  5. Step 5: Solve for x
    x = 167,440,780,799.52/605,219.60
  6. Step 6: Final answer
    x = 276,661.20

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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.