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Finding the Fourth Proportional to 406,551.44, 609,924.06 and 140,314.28

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Solution

The fourth proportional to 406,551.44, 609,924.06 and 140,314.28 is: 210,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,551.44 : 609,924.06 = 140,314.28 : x
  2. Step 2: Convert to fraction form
    406,551.44/609,924.06 = 140,314.28/x
  3. Step 3: Cross multiply
    406,551.44x = 609,924.06 × 140,314.28
  4. Step 4: Simplify right side
    406,551.44x = 85,581,055,333.58
  5. Step 5: Solve for x
    x = 85,581,055,333.58/406,551.44
  6. Step 6: Final answer
    x = 210,504.86

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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.