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Finding the Fourth Proportional to 406,220.64, 608,933.24 and 169,630.98

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Solution

The fourth proportional to 406,220.64, 608,933.24 and 169,630.98 is: 254,280.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,220.64 : 608,933.24 = 169,630.98 : x
  2. Step 2: Convert to fraction form
    406,220.64/608,933.24 = 169,630.98/x
  3. Step 3: Cross multiply
    406,220.64x = 608,933.24 × 169,630.98
  4. Step 4: Simplify right side
    406,220.64x = 103,293,942,255.78
  5. Step 5: Solve for x
    x = 103,293,942,255.78/406,220.64
  6. Step 6: Final answer
    x = 254,280.39

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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.