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Finding the Fourth Proportional to 250,970.94, 376,428.87 and 73,479.69

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Solution

The fourth proportional to 250,970.94, 376,428.87 and 73,479.69 is: 110,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,970.94 : 376,428.87 = 73,479.69 : x
  2. Step 2: Convert to fraction form
    250,970.94/376,428.87 = 73,479.69/x
  3. Step 3: Cross multiply
    250,970.94x = 376,428.87 × 73,479.69
  4. Step 4: Simplify right side
    250,970.94x = 27,659,876,674.65
  5. Step 5: Solve for x
    x = 27,659,876,674.65/250,970.94
  6. Step 6: Final answer
    x = 110,211.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.