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Finding the Fourth Proportional to 543,030.29, 814,677.13 and 163,928.37

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Solution

The fourth proportional to 543,030.29, 814,677.13 and 163,928.37 is: 245,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,030.29 : 814,677.13 = 163,928.37 : x
  2. Step 2: Convert to fraction form
    543,030.29/814,677.13 = 163,928.37/x
  3. Step 3: Cross multiply
    543,030.29x = 814,677.13 × 163,928.37
  4. Step 4: Simplify right side
    543,030.29x = 133,548,696,335.03
  5. Step 5: Solve for x
    x = 133,548,696,335.03/543,030.29
  6. Step 6: Final answer
    x = 245,932.31

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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.