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Finding the Fourth Proportional to 608,171.09, 839,451.26 and 401,590.34

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Solution

The fourth proportional to 608,171.09, 839,451.26 and 401,590.34 is: 554,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,171.09 : 839,451.26 = 401,590.34 : x
  2. Step 2: Convert to fraction form
    608,171.09/839,451.26 = 401,590.34/x
  3. Step 3: Cross multiply
    608,171.09x = 839,451.26 × 401,590.34
  4. Step 4: Simplify right side
    608,171.09x = 337,115,515,822.18
  5. Step 5: Solve for x
    x = 337,115,515,822.18/608,171.09
  6. Step 6: Final answer
    x = 554,310.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.