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Finding the Fourth Proportional to 336,468.72, 464,209.59 and 215,676.62

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Solution

The fourth proportional to 336,468.72, 464,209.59 and 215,676.62 is: 297,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,468.72 : 464,209.59 = 215,676.62 : x
  2. Step 2: Convert to fraction form
    336,468.72/464,209.59 = 215,676.62/x
  3. Step 3: Cross multiply
    336,468.72x = 464,209.59 × 215,676.62
  4. Step 4: Simplify right side
    336,468.72x = 100,119,153,021.74
  5. Step 5: Solve for x
    x = 100,119,153,021.74/336,468.72
  6. Step 6: Final answer
    x = 297,558.58

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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.