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Finding the Fourth Proportional to 362,568.15, 500,352.80 and 201,429.99

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Solution

The fourth proportional to 362,568.15, 500,352.80 and 201,429.99 is: 277,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,568.15 : 500,352.80 = 201,429.99 : x
  2. Step 2: Convert to fraction form
    362,568.15/500,352.80 = 201,429.99/x
  3. Step 3: Cross multiply
    362,568.15x = 500,352.80 × 201,429.99
  4. Step 4: Simplify right side
    362,568.15x = 100,786,058,493.32
  5. Step 5: Solve for x
    x = 100,786,058,493.32/362,568.15
  6. Step 6: Final answer
    x = 277,978.25

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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.