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Finding the Fourth Proportional to 446,451.57, 669,668.72 and 130,901.49

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Solution

The fourth proportional to 446,451.57, 669,668.72 and 130,901.49 is: 196,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,451.57 : 669,668.72 = 130,901.49 : x
  2. Step 2: Convert to fraction form
    446,451.57/669,668.72 = 130,901.49/x
  3. Step 3: Cross multiply
    446,451.57x = 669,668.72 × 130,901.49
  4. Step 4: Simplify right side
    446,451.57x = 87,660,632,599.89
  5. Step 5: Solve for x
    x = 87,660,632,599.89/446,451.57
  6. Step 6: Final answer
    x = 196,349.70

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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.