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Finding the Fourth Proportional to 538,534.12, 807,801.18 and 164,553.88

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Solution

The fourth proportional to 538,534.12, 807,801.18 and 164,553.88 is: 246,830.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,534.12 : 807,801.18 = 164,553.88 : x
  2. Step 2: Convert to fraction form
    538,534.12/807,801.18 = 164,553.88/x
  3. Step 3: Cross multiply
    538,534.12x = 807,801.18 × 164,553.88
  4. Step 4: Simplify right side
    538,534.12x = 132,926,818,437.58
  5. Step 5: Solve for x
    x = 132,926,818,437.58/538,534.12
  6. Step 6: Final answer
    x = 246,830.82

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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.