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Finding the Fourth Proportional to 334,179.60, 501,400.68 and 147,059.88

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Solution

The fourth proportional to 334,179.60, 501,400.68 and 147,059.88 is: 220,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,179.60 : 501,400.68 = 147,059.88 : x
  2. Step 2: Convert to fraction form
    334,179.60/501,400.68 = 147,059.88/x
  3. Step 3: Cross multiply
    334,179.60x = 501,400.68 × 147,059.88
  4. Step 4: Simplify right side
    334,179.60x = 73,735,923,832.72
  5. Step 5: Solve for x
    x = 73,735,923,832.72/334,179.60
  6. Step 6: Final answer
    x = 220,647.59

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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.