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Finding the Fourth Proportional to 273,887.28, 377,960.31 and 153,030.24

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Solution

The fourth proportional to 273,887.28, 377,960.31 and 153,030.24 is: 211,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,887.28 : 377,960.31 = 153,030.24 : x
  2. Step 2: Convert to fraction form
    273,887.28/377,960.31 = 153,030.24/x
  3. Step 3: Cross multiply
    273,887.28x = 377,960.31 × 153,030.24
  4. Step 4: Simplify right side
    273,887.28x = 57,839,356,949.77
  5. Step 5: Solve for x
    x = 57,839,356,949.77/273,887.28
  6. Step 6: Final answer
    x = 211,179.42

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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.