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Finding the Fourth Proportional to 644,818.56, 967,226.60 and 171,504.42

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Solution

The fourth proportional to 644,818.56, 967,226.60 and 171,504.42 is: 257,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,818.56 : 967,226.60 = 171,504.42 : x
  2. Step 2: Convert to fraction form
    644,818.56/967,226.60 = 171,504.42/x
  3. Step 3: Cross multiply
    644,818.56x = 967,226.60 × 171,504.42
  4. Step 4: Simplify right side
    644,818.56x = 165,883,637,041.57
  5. Step 5: Solve for x
    x = 165,883,637,041.57/644,818.56
  6. Step 6: Final answer
    x = 257,256.30

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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.