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Finding the Fourth Proportional to 362,904.28, 500,809.88 and 199,571.32

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Solution

The fourth proportional to 362,904.28, 500,809.88 and 199,571.32 is: 275,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,904.28 : 500,809.88 = 199,571.32 : x
  2. Step 2: Convert to fraction form
    362,904.28/500,809.88 = 199,571.32/x
  3. Step 3: Cross multiply
    362,904.28x = 500,809.88 × 199,571.32
  4. Step 4: Simplify right side
    362,904.28x = 99,947,288,820.64
  5. Step 5: Solve for x
    x = 99,947,288,820.64/362,904.28
  6. Step 6: Final answer
    x = 275,409.51

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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.