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Finding the Fourth Proportional to 313,976.95, 433,299.59 and 179,866.87

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Solution

The fourth proportional to 313,976.95, 433,299.59 and 179,866.87 is: 248,222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,976.95 : 433,299.59 = 179,866.87 : x
  2. Step 2: Convert to fraction form
    313,976.95/433,299.59 = 179,866.87/x
  3. Step 3: Cross multiply
    313,976.95x = 433,299.59 × 179,866.87
  4. Step 4: Simplify right side
    313,976.95x = 77,936,241,025.58
  5. Step 5: Solve for x
    x = 77,936,241,025.58/313,976.95
  6. Step 6: Final answer
    x = 248,222.81

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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.