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Finding the Fourth Proportional to 300,336.90, 414,484.16 and 173,010.30

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Solution

The fourth proportional to 300,336.90, 414,484.16 and 173,010.30 is: 238,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,336.90 : 414,484.16 = 173,010.30 : x
  2. Step 2: Convert to fraction form
    300,336.90/414,484.16 = 173,010.30/x
  3. Step 3: Cross multiply
    300,336.90x = 414,484.16 × 173,010.30
  4. Step 4: Simplify right side
    300,336.90x = 71,710,028,866.85
  5. Step 5: Solve for x
    x = 71,710,028,866.85/300,336.90
  6. Step 6: Final answer
    x = 238,765.30

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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.