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Finding the Fourth Proportional to 273,313.80, 409,970.70 and 262,816.20

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Solution

The fourth proportional to 273,313.80, 409,970.70 and 262,816.20 is: 394,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,313.80 : 409,970.70 = 262,816.20 : x
  2. Step 2: Convert to fraction form
    273,313.80/409,970.70 = 262,816.20/x
  3. Step 3: Cross multiply
    273,313.80x = 409,970.70 × 262,816.20
  4. Step 4: Simplify right side
    273,313.80x = 107,746,941,485.34
  5. Step 5: Solve for x
    x = 107,746,941,485.34/273,313.80
  6. Step 6: Final answer
    x = 394,224.30

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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.