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Finding the Fourth Proportional to 608,979.60, 840,374.46 and 337,058.64

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Solution

The fourth proportional to 608,979.60, 840,374.46 and 337,058.64 is: 465,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,979.60 : 840,374.46 = 337,058.64 : x
  2. Step 2: Convert to fraction form
    608,979.60/840,374.46 = 337,058.64/x
  3. Step 3: Cross multiply
    608,979.60x = 840,374.46 × 337,058.64
  4. Step 4: Simplify right side
    608,979.60x = 283,255,472,578.33
  5. Step 5: Solve for x
    x = 283,255,472,578.33/608,979.60
  6. Step 6: Final answer
    x = 465,131.30

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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.