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Finding the Fourth Proportional to 334,078.88, 500,880.24 and 156,489.03

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Solution

The fourth proportional to 334,078.88, 500,880.24 and 156,489.03 is: 234,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,078.88 : 500,880.24 = 156,489.03 : x
  2. Step 2: Convert to fraction form
    334,078.88/500,880.24 = 156,489.03/x
  3. Step 3: Cross multiply
    334,078.88x = 500,880.24 × 156,489.03
  4. Step 4: Simplify right side
    334,078.88x = 78,382,262,903.77
  5. Step 5: Solve for x
    x = 78,382,262,903.77/334,078.88
  6. Step 6: Final answer
    x = 234,622.03

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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.