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Finding the Fourth Proportional to 406,586.95, 609,834.27 and 107,090.97

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Solution

The fourth proportional to 406,586.95, 609,834.27 and 107,090.97 is: 160,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,586.95 : 609,834.27 = 107,090.97 : x
  2. Step 2: Convert to fraction form
    406,586.95/609,834.27 = 107,090.97/x
  3. Step 3: Cross multiply
    406,586.95x = 609,834.27 × 107,090.97
  4. Step 4: Simplify right side
    406,586.95x = 65,307,743,513.54
  5. Step 5: Solve for x
    x = 65,307,743,513.54/406,586.95
  6. Step 6: Final answer
    x = 160,624.30

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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.