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Finding the Fourth Proportional to 353,040.60, 529,560.90 and 324,010.20

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Solution

The fourth proportional to 353,040.60, 529,560.90 and 324,010.20 is: 486,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,040.60 : 529,560.90 = 324,010.20 : x
  2. Step 2: Convert to fraction form
    353,040.60/529,560.90 = 324,010.20/x
  3. Step 3: Cross multiply
    353,040.60x = 529,560.90 × 324,010.20
  4. Step 4: Simplify right side
    353,040.60x = 171,583,133,121.18
  5. Step 5: Solve for x
    x = 171,583,133,121.18/353,040.60
  6. Step 6: Final answer
    x = 486,015.30

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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.