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Finding the Fourth Proportional to 433,192.59, 649,807.31 and 133,666.54

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Solution

The fourth proportional to 433,192.59, 649,807.31 and 133,666.54 is: 200,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,192.59 : 649,807.31 = 133,666.54 : x
  2. Step 2: Convert to fraction form
    433,192.59/649,807.31 = 133,666.54/x
  3. Step 3: Cross multiply
    433,192.59x = 649,807.31 × 133,666.54
  4. Step 4: Simplify right side
    433,192.59x = 86,857,493,504.06
  5. Step 5: Solve for x
    x = 86,857,493,504.06/433,192.59
  6. Step 6: Final answer
    x = 200,505.49

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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.