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Finding the Fourth Proportional to 453,266.28, 679,907.25 and 153,754.61

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Solution

The fourth proportional to 453,266.28, 679,907.25 and 153,754.61 is: 230,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,266.28 : 679,907.25 = 153,754.61 : x
  2. Step 2: Convert to fraction form
    453,266.28/679,907.25 = 153,754.61/x
  3. Step 3: Cross multiply
    453,266.28x = 679,907.25 × 153,754.61
  4. Step 4: Simplify right side
    453,266.28x = 104,538,870,660.39
  5. Step 5: Solve for x
    x = 104,538,870,660.39/453,266.28
  6. Step 6: Final answer
    x = 230,634.56

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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.