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Finding the Fourth Proportional to 395,994.36, 546,497.10 and 217,146.36

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Solution

The fourth proportional to 395,994.36, 546,497.10 and 217,146.36 is: 299,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,994.36 : 546,497.10 = 217,146.36 : x
  2. Step 2: Convert to fraction form
    395,994.36/546,497.10 = 217,146.36/x
  3. Step 3: Cross multiply
    395,994.36x = 546,497.10 × 217,146.36
  4. Step 4: Simplify right side
    395,994.36x = 118,669,856,015.56
  5. Step 5: Solve for x
    x = 118,669,856,015.56/395,994.36
  6. Step 6: Final answer
    x = 299,675.62

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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.