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Finding the Fourth Proportional to 582,749.93, 804,163.70 and 321,097.12

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Solution

The fourth proportional to 582,749.93, 804,163.70 and 321,097.12 is: 443,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,749.93 : 804,163.70 = 321,097.12 : x
  2. Step 2: Convert to fraction form
    582,749.93/804,163.70 = 321,097.12/x
  3. Step 3: Cross multiply
    582,749.93x = 804,163.70 × 321,097.12
  4. Step 4: Simplify right side
    582,749.93x = 258,214,646,870.88
  5. Step 5: Solve for x
    x = 258,214,646,870.88/582,749.93
  6. Step 6: Final answer
    x = 443,096.83

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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.