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Finding the Fourth Proportional to 808,914, 1,213,548.08 and 247,992.24

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Solution

The fourth proportional to 808,914, 1,213,548.08 and 247,992.24 is: 372,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,914 : 1,213,548.08 = 247,992.24 : x
  2. Step 2: Convert to fraction form
    808,914/1,213,548.08 = 247,992.24/x
  3. Step 3: Cross multiply
    808,914x = 1,213,548.08 × 247,992.24
  4. Step 4: Simplify right side
    808,914x = 300,950,506,706.90
  5. Step 5: Solve for x
    x = 300,950,506,706.90/808,914
  6. Step 6: Final answer
    x = 372,042.65

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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.