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Finding the Fourth Proportional to 300,666.69, 414,926.73 and 171,602.57

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Solution

The fourth proportional to 300,666.69, 414,926.73 and 171,602.57 is: 236,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,666.69 : 414,926.73 = 171,602.57 : x
  2. Step 2: Convert to fraction form
    300,666.69/414,926.73 = 171,602.57/x
  3. Step 3: Cross multiply
    300,666.69x = 414,926.73 × 171,602.57
  4. Step 4: Simplify right side
    300,666.69x = 71,202,491,155.06
  5. Step 5: Solve for x
    x = 71,202,491,155.06/300,666.69
  6. Step 6: Final answer
    x = 236,815.36

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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.