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Finding the Fourth Proportional to 453,073.78, 679,186.23 and 153,344.62

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Solution

The fourth proportional to 453,073.78, 679,186.23 and 153,344.62 is: 229,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,073.78 : 679,186.23 = 153,344.62 : x
  2. Step 2: Convert to fraction form
    453,073.78/679,186.23 = 153,344.62/x
  3. Step 3: Cross multiply
    453,073.78x = 679,186.23 × 153,344.62
  4. Step 4: Simplify right side
    453,073.78x = 104,149,554,348.58
  5. Step 5: Solve for x
    x = 104,149,554,348.58/453,073.78
  6. Step 6: Final answer
    x = 229,873.28

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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.