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Finding the Fourth Proportional to 453,818.73, 680,305.21 and 154,094.36

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Solution

The fourth proportional to 453,818.73, 680,305.21 and 154,094.36 is: 230,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,818.73 : 680,305.21 = 154,094.36 : x
  2. Step 2: Convert to fraction form
    453,818.73/680,305.21 = 154,094.36/x
  3. Step 3: Cross multiply
    453,818.73x = 680,305.21 × 154,094.36
  4. Step 4: Simplify right side
    453,818.73x = 104,831,197,833.00
  5. Step 5: Solve for x
    x = 104,831,197,833.00/453,818.73
  6. Step 6: Final answer
    x = 230,997.96

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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.