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Finding the Fourth Proportional to 273,843.28, 377,899.54 and 152,986.32

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Solution

The fourth proportional to 273,843.28, 377,899.54 and 152,986.32 is: 211,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,843.28 : 377,899.54 = 152,986.32 : x
  2. Step 2: Convert to fraction form
    273,843.28/377,899.54 = 152,986.32/x
  3. Step 3: Cross multiply
    273,843.28x = 377,899.54 × 152,986.32
  4. Step 4: Simplify right side
    273,843.28x = 57,813,459,954.29
  5. Step 5: Solve for x
    x = 57,813,459,954.29/273,843.28
  6. Step 6: Final answer
    x = 211,118.78

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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.