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Finding the Fourth Proportional to 453,271.56, 679,833.42 and 133,348.62

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Solution

The fourth proportional to 453,271.56, 679,833.42 and 133,348.62 is: 200,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,271.56 : 679,833.42 = 133,348.62 : x
  2. Step 2: Convert to fraction form
    453,271.56/679,833.42 = 133,348.62/x
  3. Step 3: Cross multiply
    453,271.56x = 679,833.42 × 133,348.62
  4. Step 4: Simplify right side
    453,271.56x = 90,654,848,386.88
  5. Step 5: Solve for x
    x = 90,654,848,386.88/453,271.56
  6. Step 6: Final answer
    x = 200,001.18

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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.