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Finding the Fourth Proportional to 464,164.60, 699,164.20 and 422,313.52

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Solution

The fourth proportional to 464,164.60, 699,164.20 and 422,313.52 is: 636,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,164.60 : 699,164.20 = 422,313.52 : x
  2. Step 2: Convert to fraction form
    464,164.60/699,164.20 = 422,313.52/x
  3. Step 3: Cross multiply
    464,164.60x = 699,164.20 × 422,313.52
  4. Step 4: Simplify right side
    464,164.60x = 295,266,494,359.98
  5. Step 5: Solve for x
    x = 295,266,494,359.98/464,164.60
  6. Step 6: Final answer
    x = 636,124.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.