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Finding the Fourth Proportional to 608,884.64, 840,262.44 and 336,971.29

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Solution

The fourth proportional to 608,884.64, 840,262.44 and 336,971.29 is: 465,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,884.64 : 840,262.44 = 336,971.29 : x
  2. Step 2: Convert to fraction form
    608,884.64/840,262.44 = 336,971.29/x
  3. Step 3: Cross multiply
    608,884.64x = 840,262.44 × 336,971.29
  4. Step 4: Simplify right side
    608,884.64x = 283,144,317,188.36
  5. Step 5: Solve for x
    x = 283,144,317,188.36/608,884.64
  6. Step 6: Final answer
    x = 465,021.28

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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.