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Finding the Fourth Proportional to 406,611.36, 609,100.56 and 195,622.56

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Solution

The fourth proportional to 406,611.36, 609,100.56 and 195,622.56 is: 293,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,611.36 : 609,100.56 = 195,622.56 : x
  2. Step 2: Convert to fraction form
    406,611.36/609,100.56 = 195,622.56/x
  3. Step 3: Cross multiply
    406,611.36x = 609,100.56 × 195,622.56
  4. Step 4: Simplify right side
    406,611.36x = 119,153,810,844.63
  5. Step 5: Solve for x
    x = 119,153,810,844.63/406,611.36
  6. Step 6: Final answer
    x = 293,041.03

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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.