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Finding the Fourth Proportional to 273,628.56, 377,578.76 and 158,884.83

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Solution

The fourth proportional to 273,628.56, 377,578.76 and 158,884.83 is: 219,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,628.56 : 377,578.76 = 158,884.83 : x
  2. Step 2: Convert to fraction form
    273,628.56/377,578.76 = 158,884.83/x
  3. Step 3: Cross multiply
    273,628.56x = 377,578.76 × 158,884.83
  4. Step 4: Simplify right side
    273,628.56x = 59,991,537,963.40
  5. Step 5: Solve for x
    x = 59,991,537,963.40/273,628.56
  6. Step 6: Final answer
    x = 219,244.44

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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.