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Finding the Fourth Proportional to 339,566.08, 468,744.80 and 229,208.64

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Solution

The fourth proportional to 339,566.08, 468,744.80 and 229,208.64 is: 316,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,566.08 : 468,744.80 = 229,208.64 : x
  2. Step 2: Convert to fraction form
    339,566.08/468,744.80 = 229,208.64/x
  3. Step 3: Cross multiply
    339,566.08x = 468,744.80 × 229,208.64
  4. Step 4: Simplify right side
    339,566.08x = 107,440,358,115.07
  5. Step 5: Solve for x
    x = 107,440,358,115.07/339,566.08
  6. Step 6: Final answer
    x = 316,404.86

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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.