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Finding the Fourth Proportional to 843,662.38, 1,164,251.01 and 456,476.62

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Solution

The fourth proportional to 843,662.38, 1,164,251.01 and 456,476.62 is: 629,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,662.38 : 1,164,251.01 = 456,476.62 : x
  2. Step 2: Convert to fraction form
    843,662.38/1,164,251.01 = 456,476.62/x
  3. Step 3: Cross multiply
    843,662.38x = 1,164,251.01 × 456,476.62
  4. Step 4: Simplify right side
    843,662.38x = 531,453,365,876.39
  5. Step 5: Solve for x
    x = 531,453,365,876.39/843,662.38
  6. Step 6: Final answer
    x = 629,936.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.