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Finding the Fourth Proportional to 406,440.51, 609,660.83 and 169,654.02

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Solution

The fourth proportional to 406,440.51, 609,660.83 and 169,654.02 is: 254,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,440.51 : 609,660.83 = 169,654.02 : x
  2. Step 2: Convert to fraction form
    406,440.51/609,660.83 = 169,654.02/x
  3. Step 3: Cross multiply
    406,440.51x = 609,660.83 × 169,654.02
  4. Step 4: Simplify right side
    406,440.51x = 103,431,410,646.04
  5. Step 5: Solve for x
    x = 103,431,410,646.04/406,440.51
  6. Step 6: Final answer
    x = 254,481.06

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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.