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Finding the Fourth Proportional to 443,797.88, 612,441.16 and 239,848.14

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Solution

The fourth proportional to 443,797.88, 612,441.16 and 239,848.14 is: 330,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,797.88 : 612,441.16 = 239,848.14 : x
  2. Step 2: Convert to fraction form
    443,797.88/612,441.16 = 239,848.14/x
  3. Step 3: Cross multiply
    443,797.88x = 612,441.16 × 239,848.14
  4. Step 4: Simplify right side
    443,797.88x = 146,892,873,085.44
  5. Step 5: Solve for x
    x = 146,892,873,085.44/443,797.88
  6. Step 6: Final answer
    x = 330,990.48

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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.