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Finding the Fourth Proportional to 300,336.61, 414,465.69 and 192,907.57

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Solution

The fourth proportional to 300,336.61, 414,465.69 and 192,907.57 is: 266,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,336.61 : 414,465.69 = 192,907.57 : x
  2. Step 2: Convert to fraction form
    300,336.61/414,465.69 = 192,907.57/x
  3. Step 3: Cross multiply
    300,336.61x = 414,465.69 × 192,907.57
  4. Step 4: Simplify right side
    300,336.61x = 79,953,569,106.27
  5. Step 5: Solve for x
    x = 79,953,569,106.27/300,336.61
  6. Step 6: Final answer
    x = 266,213.20

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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.