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Finding the Fourth Proportional to 605,138.60, 907,707.90 and 184,359.80

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Solution

The fourth proportional to 605,138.60, 907,707.90 and 184,359.80 is: 276,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,138.60 : 907,707.90 = 184,359.80 : x
  2. Step 2: Convert to fraction form
    605,138.60/907,707.90 = 184,359.80/x
  3. Step 3: Cross multiply
    605,138.60x = 907,707.90 × 184,359.80
  4. Step 4: Simplify right side
    605,138.60x = 167,344,846,902.42
  5. Step 5: Solve for x
    x = 167,344,846,902.42/605,138.60
  6. Step 6: Final answer
    x = 276,539.70

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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.