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Finding the Fourth Proportional to 273,896.84, 377,979.51 and 153,043.22

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Solution

The fourth proportional to 273,896.84, 377,979.51 and 153,043.22 is: 211,200.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,896.84 : 377,979.51 = 153,043.22 : x
  2. Step 2: Convert to fraction form
    273,896.84/377,979.51 = 153,043.22/x
  3. Step 3: Cross multiply
    273,896.84x = 377,979.51 × 153,043.22
  4. Step 4: Simplify right side
    273,896.84x = 57,847,202,823.28
  5. Step 5: Solve for x
    x = 57,847,202,823.28/273,896.84
  6. Step 6: Final answer
    x = 211,200.69

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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.