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Finding the Fourth Proportional to 605,661.12, 908,621.28 and 184,968

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Solution

The fourth proportional to 605,661.12, 908,621.28 and 184,968 is: 277,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,661.12 : 908,621.28 = 184,968 : x
  2. Step 2: Convert to fraction form
    605,661.12/908,621.28 = 184,968/x
  3. Step 3: Cross multiply
    605,661.12x = 908,621.28 × 184,968
  4. Step 4: Simplify right side
    605,661.12x = 168,065,860,919.04
  5. Step 5: Solve for x
    x = 168,065,860,919.04/605,661.12
  6. Step 6: Final answer
    x = 277,491.58

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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.