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Finding the Fourth Proportional to 406,366.80, 609,623.10 and 169,733.40

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Solution

The fourth proportional to 406,366.80, 609,623.10 and 169,733.40 is: 254,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,366.80 : 609,623.10 = 169,733.40 : x
  2. Step 2: Convert to fraction form
    406,366.80/609,623.10 = 169,733.40/x
  3. Step 3: Cross multiply
    406,366.80x = 609,623.10 × 169,733.40
  4. Step 4: Simplify right side
    406,366.80x = 103,473,401,481.54
  5. Step 5: Solve for x
    x = 103,473,401,481.54/406,366.80
  6. Step 6: Final answer
    x = 254,630.55

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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.