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Finding the Fourth Proportional to 567,396.78, 782,923.23 and 325,688.46

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Solution

The fourth proportional to 567,396.78, 782,923.23 and 325,688.46 is: 449,401.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,396.78 : 782,923.23 = 325,688.46 : x
  2. Step 2: Convert to fraction form
    567,396.78/782,923.23 = 325,688.46/x
  3. Step 3: Cross multiply
    567,396.78x = 782,923.23 × 325,688.46
  4. Step 4: Simplify right side
    567,396.78x = 254,989,061,076.93
  5. Step 5: Solve for x
    x = 254,989,061,076.93/567,396.78
  6. Step 6: Final answer
    x = 449,401.67

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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.