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Finding the Fourth Proportional to 538,810.80, 808,186.90 and 164,833.80

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Solution

The fourth proportional to 538,810.80, 808,186.90 and 164,833.80 is: 247,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,810.80 : 808,186.90 = 164,833.80 : x
  2. Step 2: Convert to fraction form
    538,810.80/808,186.90 = 164,833.80/x
  3. Step 3: Cross multiply
    538,810.80x = 808,186.90 × 164,833.80
  4. Step 4: Simplify right side
    538,810.80x = 133,216,517,837.22
  5. Step 5: Solve for x
    x = 133,216,517,837.22/538,810.80
  6. Step 6: Final answer
    x = 247,241.74

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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.