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Finding the Fourth Proportional to 605,215.20, 907,725.60 and 184,393.20

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Solution

The fourth proportional to 605,215.20, 907,725.60 and 184,393.20 is: 276,560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,215.20 : 907,725.60 = 184,393.20 : x
  2. Step 2: Convert to fraction form
    605,215.20/907,725.60 = 184,393.20/x
  3. Step 3: Cross multiply
    605,215.20x = 907,725.60 × 184,393.20
  4. Step 4: Simplify right side
    605,215.20x = 167,378,428,105.92
  5. Step 5: Solve for x
    x = 167,378,428,105.92/605,215.20
  6. Step 6: Final answer
    x = 276,560.19

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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.