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Finding the Fourth Proportional to 300,080.34, 413,915.76 and 192,479.94

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Solution

The fourth proportional to 300,080.34, 413,915.76 and 192,479.94 is: 265,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,080.34 : 413,915.76 = 192,479.94 : x
  2. Step 2: Convert to fraction form
    300,080.34/413,915.76 = 192,479.94/x
  3. Step 3: Cross multiply
    300,080.34x = 413,915.76 × 192,479.94
  4. Step 4: Simplify right side
    300,080.34x = 79,670,480,649.85
  5. Step 5: Solve for x
    x = 79,670,480,649.85/300,080.34
  6. Step 6: Final answer
    x = 265,497.17

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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.