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Finding the Fourth Proportional to 605,661.20, 908,491.80 and 184,936.40

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Solution

The fourth proportional to 605,661.20, 908,491.80 and 184,936.40 is: 277,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,661.20 : 908,491.80 = 184,936.40 : x
  2. Step 2: Convert to fraction form
    605,661.20/908,491.80 = 184,936.40/x
  3. Step 3: Cross multiply
    605,661.20x = 908,491.80 × 184,936.40
  4. Step 4: Simplify right side
    605,661.20x = 168,013,202,921.52
  5. Step 5: Solve for x
    x = 168,013,202,921.52/605,661.20
  6. Step 6: Final answer
    x = 277,404.60

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Similar ratio
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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.