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Finding the Fourth Proportional to 300,646.56, 414,891.36 and 173,321.04

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Solution

The fourth proportional to 300,646.56, 414,891.36 and 173,321.04 is: 239,182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,646.56 : 414,891.36 = 173,321.04 : x
  2. Step 2: Convert to fraction form
    300,646.56/414,891.36 = 173,321.04/x
  3. Step 3: Cross multiply
    300,646.56x = 414,891.36 × 173,321.04
  4. Step 4: Simplify right side
    300,646.56x = 71,909,402,002.21
  5. Step 5: Solve for x
    x = 71,909,402,002.21/300,646.56
  6. Step 6: Final answer
    x = 239,182.52

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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.