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Finding the Fourth Proportional to 333,003.52, 459,485.12 and 196,969.76

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Solution

The fourth proportional to 333,003.52, 459,485.12 and 196,969.76 is: 271,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,003.52 : 459,485.12 = 196,969.76 : x
  2. Step 2: Convert to fraction form
    333,003.52/459,485.12 = 196,969.76/x
  3. Step 3: Cross multiply
    333,003.52x = 459,485.12 × 196,969.76
  4. Step 4: Simplify right side
    333,003.52x = 90,504,673,809.97
  5. Step 5: Solve for x
    x = 90,504,673,809.97/333,003.52
  6. Step 6: Final answer
    x = 271,782.93

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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.