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Finding the Fourth Proportional to 453,012.44, 680,043.53 and 243,060.44

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Solution

The fourth proportional to 453,012.44, 680,043.53 and 243,060.44 is: 364,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,012.44 : 680,043.53 = 243,060.44 : x
  2. Step 2: Convert to fraction form
    453,012.44/680,043.53 = 243,060.44/x
  3. Step 3: Cross multiply
    453,012.44x = 680,043.53 × 243,060.44
  4. Step 4: Simplify right side
    453,012.44x = 165,291,676,828.39
  5. Step 5: Solve for x
    x = 165,291,676,828.39/453,012.44
  6. Step 6: Final answer
    x = 364,872.27

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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.