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Finding the Fourth Proportional to 605,289.20, 907,836.60 and 184,467.20

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Solution

The fourth proportional to 605,289.20, 907,836.60 and 184,467.20 is: 276,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,289.20 : 907,836.60 = 184,467.20 : x
  2. Step 2: Convert to fraction form
    605,289.20/907,836.60 = 184,467.20/x
  3. Step 3: Cross multiply
    605,289.20x = 907,836.60 × 184,467.20
  4. Step 4: Simplify right side
    605,289.20x = 167,466,075,659.52
  5. Step 5: Solve for x
    x = 167,466,075,659.52/605,289.20
  6. Step 6: Final answer
    x = 276,671.18

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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.