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Finding the Fourth Proportional to 347,245.80, 523,471.36 and 324,099.06

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Solution

The fourth proportional to 347,245.80, 523,471.36 and 324,099.06 is: 488,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,245.80 : 523,471.36 = 324,099.06 : x
  2. Step 2: Convert to fraction form
    347,245.80/523,471.36 = 324,099.06/x
  3. Step 3: Cross multiply
    347,245.80x = 523,471.36 × 324,099.06
  4. Step 4: Simplify right side
    347,245.80x = 169,656,575,712.92
  5. Step 5: Solve for x
    x = 169,656,575,712.92/347,245.80
  6. Step 6: Final answer
    x = 488,577.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.