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Finding the Fourth Proportional to 605,185.40, 907,778.10 and 184,460.60

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Solution

The fourth proportional to 605,185.40, 907,778.10 and 184,460.60 is: 276,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,185.40 : 907,778.10 = 184,460.60 : x
  2. Step 2: Convert to fraction form
    605,185.40/907,778.10 = 184,460.60/x
  3. Step 3: Cross multiply
    605,185.40x = 907,778.10 × 184,460.60
  4. Step 4: Simplify right side
    605,185.40x = 167,449,292,992.86
  5. Step 5: Solve for x
    x = 167,449,292,992.86/605,185.40
  6. Step 6: Final answer
    x = 276,690.90

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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.