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Finding the Fourth Proportional to 644,863.06, 967,293.43 and 171,548.42

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Solution

The fourth proportional to 644,863.06, 967,293.43 and 171,548.42 is: 257,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,863.06 : 967,293.43 = 171,548.42 : x
  2. Step 2: Convert to fraction form
    644,863.06/967,293.43 = 171,548.42/x
  3. Step 3: Cross multiply
    644,863.06x = 967,293.43 × 171,548.42
  4. Step 4: Simplify right side
    644,863.06x = 165,937,659,592.88
  5. Step 5: Solve for x
    x = 165,937,659,592.88/644,863.06
  6. Step 6: Final answer
    x = 257,322.32

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.