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Finding the Fourth Proportional to 536,493.09, 804,864.21 and 157,398.51

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Solution

The fourth proportional to 536,493.09, 804,864.21 and 157,398.51 is: 236,134.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,493.09 : 804,864.21 = 157,398.51 : x
  2. Step 2: Convert to fraction form
    536,493.09/804,864.21 = 157,398.51/x
  3. Step 3: Cross multiply
    536,493.09x = 804,864.21 × 157,398.51
  4. Step 4: Simplify right side
    536,493.09x = 126,684,427,406.33
  5. Step 5: Solve for x
    x = 126,684,427,406.33/536,493.09
  6. Step 6: Final answer
    x = 236,134.31

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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.