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Finding the Fourth Proportional to 406,493.06, 609,627.80 and 169,796.48

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Solution

The fourth proportional to 406,493.06, 609,627.80 and 169,796.48 is: 254,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,493.06 : 609,627.80 = 169,796.48 : x
  2. Step 2: Convert to fraction form
    406,493.06/609,627.80 = 169,796.48/x
  3. Step 3: Cross multiply
    406,493.06x = 609,627.80 × 169,796.48
  4. Step 4: Simplify right side
    406,493.06x = 103,512,651,926.50
  5. Step 5: Solve for x
    x = 103,512,651,926.50/406,493.06
  6. Step 6: Final answer
    x = 254,648.02

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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.