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Finding the Fourth Proportional to 413,999.01, 620,998.52 and 133,516.26

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Solution

The fourth proportional to 413,999.01, 620,998.52 and 133,516.26 is: 200,274.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,999.01 : 620,998.52 = 133,516.26 : x
  2. Step 2: Convert to fraction form
    413,999.01/620,998.52 = 133,516.26/x
  3. Step 3: Cross multiply
    413,999.01x = 620,998.52 × 133,516.26
  4. Step 4: Simplify right side
    413,999.01x = 82,913,399,188.35
  5. Step 5: Solve for x
    x = 82,913,399,188.35/413,999.01
  6. Step 6: Final answer
    x = 200,274.39

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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.