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Finding the Fourth Proportional to 805,474, 1,208,327.64 and 244,509.04

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Solution

The fourth proportional to 805,474, 1,208,327.64 and 244,509.04 is: 366,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,474 : 1,208,327.64 = 244,509.04 : x
  2. Step 2: Convert to fraction form
    805,474/1,208,327.64 = 244,509.04/x
  3. Step 3: Cross multiply
    805,474x = 1,208,327.64 × 244,509.04
  4. Step 4: Simplify right side
    805,474x = 295,447,031,261.87
  5. Step 5: Solve for x
    x = 295,447,031,261.87/805,474
  6. Step 6: Final answer
    x = 366,798.97

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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.