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Finding the Fourth Proportional to 395,668.62, 546,049.49 and 223,526.88

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Solution

The fourth proportional to 395,668.62, 546,049.49 and 223,526.88 is: 308,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,668.62 : 546,049.49 = 223,526.88 : x
  2. Step 2: Convert to fraction form
    395,668.62/546,049.49 = 223,526.88/x
  3. Step 3: Cross multiply
    395,668.62x = 546,049.49 × 223,526.88
  4. Step 4: Simplify right side
    395,668.62x = 122,056,737,707.66
  5. Step 5: Solve for x
    x = 122,056,737,707.66/395,668.62
  6. Step 6: Final answer
    x = 308,482.23

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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.