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Finding the Fourth Proportional to 334,434.35, 501,651.53 and 156,959.30

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Solution

The fourth proportional to 334,434.35, 501,651.53 and 156,959.30 is: 235,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,434.35 : 501,651.53 = 156,959.30 : x
  2. Step 2: Convert to fraction form
    334,434.35/501,651.53 = 156,959.30/x
  3. Step 3: Cross multiply
    334,434.35x = 501,651.53 × 156,959.30
  4. Step 4: Simplify right side
    334,434.35x = 78,738,872,992.73
  5. Step 5: Solve for x
    x = 78,738,872,992.73/334,434.35
  6. Step 6: Final answer
    x = 235,438.95

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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.