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Finding the Fourth Proportional to 644,494.38, 967,185.27 and 223,770.30

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Solution

The fourth proportional to 644,494.38, 967,185.27 and 223,770.30 is: 335,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,494.38 : 967,185.27 = 223,770.30 : x
  2. Step 2: Convert to fraction form
    644,494.38/967,185.27 = 223,770.30/x
  3. Step 3: Cross multiply
    644,494.38x = 967,185.27 × 223,770.30
  4. Step 4: Simplify right side
    644,494.38x = 216,427,338,023.48
  5. Step 5: Solve for x
    x = 216,427,338,023.48/644,494.38
  6. Step 6: Final answer
    x = 335,809.50

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Half scale
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Double scale
Find fourth proportional to 644,495.38, 967,186.77 and 223,771.30
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.