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Finding the Fourth Proportional to 605,138.40, 907,707.60 and 184,435.20

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Solution

The fourth proportional to 605,138.40, 907,707.60 and 184,435.20 is: 276,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,138.40 : 907,707.60 = 184,435.20 : x
  2. Step 2: Convert to fraction form
    605,138.40/907,707.60 = 184,435.20/x
  3. Step 3: Cross multiply
    605,138.40x = 907,707.60 × 184,435.20
  4. Step 4: Simplify right side
    605,138.40x = 167,413,232,747.52
  5. Step 5: Solve for x
    x = 167,413,232,747.52/605,138.40
  6. Step 6: Final answer
    x = 276,652.80

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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.