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Finding the Fourth Proportional to 303,956.46, 455,943.92 and 104,273.96

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Solution

The fourth proportional to 303,956.46, 455,943.92 and 104,273.96 is: 156,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,956.46 : 455,943.92 = 104,273.96 : x
  2. Step 2: Convert to fraction form
    303,956.46/455,943.92 = 104,273.96/x
  3. Step 3: Cross multiply
    303,956.46x = 455,943.92 × 104,273.96
  4. Step 4: Simplify right side
    303,956.46x = 47,543,075,275.23
  5. Step 5: Solve for x
    x = 47,543,075,275.23/303,956.46
  6. Step 6: Final answer
    x = 156,414.10

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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.