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Finding the Fourth Proportional to 446,329.76, 669,494.08 and 113,905.76

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Solution

The fourth proportional to 446,329.76, 669,494.08 and 113,905.76 is: 170,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,329.76 : 669,494.08 = 113,905.76 : x
  2. Step 2: Convert to fraction form
    446,329.76/669,494.08 = 113,905.76/x
  3. Step 3: Cross multiply
    446,329.76x = 669,494.08 × 113,905.76
  4. Step 4: Simplify right side
    446,329.76x = 76,259,231,997.90
  5. Step 5: Solve for x
    x = 76,259,231,997.90/446,329.76
  6. Step 6: Final answer
    x = 170,858.50

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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.