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Finding the Fourth Proportional to 303,954.50, 455,940.98 and 104,272.01

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Solution

The fourth proportional to 303,954.50, 455,940.98 and 104,272.01 is: 156,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,954.50 : 455,940.98 = 104,272.01 : x
  2. Step 2: Convert to fraction form
    303,954.50/455,940.98 = 104,272.01/x
  3. Step 3: Cross multiply
    303,954.50x = 455,940.98 × 104,272.01
  4. Step 4: Simplify right side
    303,954.50x = 47,541,881,432.44
  5. Step 5: Solve for x
    x = 47,541,881,432.44/303,954.50
  6. Step 6: Final answer
    x = 156,411.18

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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.