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Finding the Fourth Proportional to 560,608.59, 773,629.07 and 305,961.60

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Solution

The fourth proportional to 560,608.59, 773,629.07 and 305,961.60 is: 422,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,608.59 : 773,629.07 = 305,961.60 : x
  2. Step 2: Convert to fraction form
    560,608.59/773,629.07 = 305,961.60/x
  3. Step 3: Cross multiply
    560,608.59x = 773,629.07 × 305,961.60
  4. Step 4: Simplify right side
    560,608.59x = 236,700,786,533.90
  5. Step 5: Solve for x
    x = 236,700,786,533.90/560,608.59
  6. Step 6: Final answer
    x = 422,221.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.