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Finding the Fourth Proportional to 300,768, 415,059.84 and 179,914.38

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Solution

The fourth proportional to 300,768, 415,059.84 and 179,914.38 is: 248,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,768 : 415,059.84 = 179,914.38 : x
  2. Step 2: Convert to fraction form
    300,768/415,059.84 = 179,914.38/x
  3. Step 3: Cross multiply
    300,768x = 415,059.84 × 179,914.38
  4. Step 4: Simplify right side
    300,768x = 74,675,233,776.50
  5. Step 5: Solve for x
    x = 74,675,233,776.50/300,768
  6. Step 6: Final answer
    x = 248,281.84

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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.