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Finding the Fourth Proportional to 582,091.60, 871,736.64 and 394,534.48

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Solution

The fourth proportional to 582,091.60, 871,736.64 and 394,534.48 is: 590,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,091.60 : 871,736.64 = 394,534.48 : x
  2. Step 2: Convert to fraction form
    582,091.60/871,736.64 = 394,534.48/x
  3. Step 3: Cross multiply
    582,091.60x = 871,736.64 × 394,534.48
  4. Step 4: Simplify right side
    582,091.60x = 343,930,161,959.35
  5. Step 5: Solve for x
    x = 343,930,161,959.35/582,091.60
  6. Step 6: Final answer
    x = 590,852.30

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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.