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Finding the Fourth Proportional to 502,668.32, 754,539.67 and 203,344.58

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Solution

The fourth proportional to 502,668.32, 754,539.67 and 203,344.58 is: 305,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,668.32 : 754,539.67 = 203,344.58 : x
  2. Step 2: Convert to fraction form
    502,668.32/754,539.67 = 203,344.58/x
  3. Step 3: Cross multiply
    502,668.32x = 754,539.67 × 203,344.58
  4. Step 4: Simplify right side
    502,668.32x = 153,431,552,289.49
  5. Step 5: Solve for x
    x = 153,431,552,289.49/502,668.32
  6. Step 6: Final answer
    x = 305,234.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.