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Finding the Fourth Proportional to 615,675.06, 923,604.92 and 216,245.42

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Solution

The fourth proportional to 615,675.06, 923,604.92 and 216,245.42 is: 324,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,675.06 : 923,604.92 = 216,245.42 : x
  2. Step 2: Convert to fraction form
    615,675.06/923,604.92 = 216,245.42/x
  3. Step 3: Cross multiply
    615,675.06x = 923,604.92 × 216,245.42
  4. Step 4: Simplify right side
    615,675.06x = 199,725,333,839.47
  5. Step 5: Solve for x
    x = 199,725,333,839.47/615,675.06
  6. Step 6: Final answer
    x = 324,400.56

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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.