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Finding the Fourth Proportional to 446,369.10, 669,559.10 and 130,832.39

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Solution

The fourth proportional to 446,369.10, 669,559.10 and 130,832.39 is: 196,250.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,369.10 : 669,559.10 = 130,832.39 : x
  2. Step 2: Convert to fraction form
    446,369.10/669,559.10 = 130,832.39/x
  3. Step 3: Cross multiply
    446,369.10x = 669,559.10 × 130,832.39
  4. Step 4: Simplify right side
    446,369.10x = 87,600,013,297.29
  5. Step 5: Solve for x
    x = 87,600,013,297.29/446,369.10
  6. Step 6: Final answer
    x = 196,250.17

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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.