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Finding the Fourth Proportional to 453,741.92, 678,902.76 and 270,695.78

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Solution

The fourth proportional to 453,741.92, 678,902.76 and 270,695.78 is: 405,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,741.92 : 678,902.76 = 270,695.78 : x
  2. Step 2: Convert to fraction form
    453,741.92/678,902.76 = 270,695.78/x
  3. Step 3: Cross multiply
    453,741.92x = 678,902.76 × 270,695.78
  4. Step 4: Simplify right side
    453,741.92x = 183,776,112,162.35
  5. Step 5: Solve for x
    x = 183,776,112,162.35/453,741.92
  6. Step 6: Final answer
    x = 405,023.44

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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.