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Finding the Fourth Proportional to 508,495.03, 701,672.04 and 304,540.73

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Solution

The fourth proportional to 508,495.03, 701,672.04 and 304,540.73 is: 420,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,495.03 : 701,672.04 = 304,540.73 : x
  2. Step 2: Convert to fraction form
    508,495.03/701,672.04 = 304,540.73/x
  3. Step 3: Cross multiply
    508,495.03x = 701,672.04 × 304,540.73
  4. Step 4: Simplify right side
    508,495.03x = 213,687,713,263.07
  5. Step 5: Solve for x
    x = 213,687,713,263.07/508,495.03
  6. Step 6: Final answer
    x = 420,235.60

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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.