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Finding the Fourth Proportional to 273,906.80, 377,984.28 and 153,049.08

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Solution

The fourth proportional to 273,906.80, 377,984.28 and 153,049.08 is: 211,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,906.80 : 377,984.28 = 153,049.08 : x
  2. Step 2: Convert to fraction form
    273,906.80/377,984.28 = 153,049.08/x
  3. Step 3: Cross multiply
    273,906.80x = 377,984.28 × 153,049.08
  4. Step 4: Simplify right side
    273,906.80x = 57,850,146,308.46
  5. Step 5: Solve for x
    x = 57,850,146,308.46/273,906.80
  6. Step 6: Final answer
    x = 211,203.76

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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.