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Finding the Fourth Proportional to 334,445.70, 501,745.19 and 144,937.88

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Solution

The fourth proportional to 334,445.70, 501,745.19 and 144,937.88 is: 217,440.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,445.70 : 501,745.19 = 144,937.88 : x
  2. Step 2: Convert to fraction form
    334,445.70/501,745.19 = 144,937.88/x
  3. Step 3: Cross multiply
    334,445.70x = 501,745.19 × 144,937.88
  4. Step 4: Simplify right side
    334,445.70x = 72,721,884,198.08
  5. Step 5: Solve for x
    x = 72,721,884,198.08/334,445.70
  6. Step 6: Final answer
    x = 217,440.03

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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.