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Finding the Fourth Proportional to 336,468.60, 464,209.42 and 215,676.49

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Solution

The fourth proportional to 336,468.60, 464,209.42 and 215,676.49 is: 297,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,468.60 : 464,209.42 = 215,676.49 : x
  2. Step 2: Convert to fraction form
    336,468.60/464,209.42 = 215,676.49/x
  3. Step 3: Cross multiply
    336,468.60x = 464,209.42 × 215,676.49
  4. Step 4: Simplify right side
    336,468.60x = 100,119,057,252.15
  5. Step 5: Solve for x
    x = 100,119,057,252.15/336,468.60
  6. Step 6: Final answer
    x = 297,558.40

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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.