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Finding the Fourth Proportional to 406,667.88, 609,598.44 and 193,060.35

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Solution

The fourth proportional to 406,667.88, 609,598.44 and 193,060.35 is: 289,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,667.88 : 609,598.44 = 193,060.35 : x
  2. Step 2: Convert to fraction form
    406,667.88/609,598.44 = 193,060.35/x
  3. Step 3: Cross multiply
    406,667.88x = 609,598.44 × 193,060.35
  4. Step 4: Simplify right side
    406,667.88x = 117,689,288,185.85
  5. Step 5: Solve for x
    x = 117,689,288,185.85/406,667.88
  6. Step 6: Final answer
    x = 289,399.03

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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.