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Finding the Fourth Proportional to 406,494.06, 609,629.30 and 169,797.48

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Solution

The fourth proportional to 406,494.06, 609,629.30 and 169,797.48 is: 254,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,494.06 : 609,629.30 = 169,797.48 : x
  2. Step 2: Convert to fraction form
    406,494.06/609,629.30 = 169,797.48/x
  3. Step 3: Cross multiply
    406,494.06x = 609,629.30 × 169,797.48
  4. Step 4: Simplify right side
    406,494.06x = 103,513,518,874.16
  5. Step 5: Solve for x
    x = 103,513,518,874.16/406,494.06
  6. Step 6: Final answer
    x = 254,649.52

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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.