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Finding the Fourth Proportional to 798,390.36, 1,101,614.16 and 458,793

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Solution

The fourth proportional to 798,390.36, 1,101,614.16 and 458,793 is: 633,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,390.36 : 1,101,614.16 = 458,793 : x
  2. Step 2: Convert to fraction form
    798,390.36/1,101,614.16 = 458,793/x
  3. Step 3: Cross multiply
    798,390.36x = 1,101,614.16 × 458,793
  4. Step 4: Simplify right side
    798,390.36x = 505,412,865,308.88
  5. Step 5: Solve for x
    x = 505,412,865,308.88/798,390.36
  6. Step 6: Final answer
    x = 633,039.79

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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.