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Finding the Fourth Proportional to 334,435.60, 501,653.40 and 156,960.55

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Solution

The fourth proportional to 334,435.60, 501,653.40 and 156,960.55 is: 235,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,435.60 : 501,653.40 = 156,960.55 : x
  2. Step 2: Convert to fraction form
    334,435.60/501,653.40 = 156,960.55/x
  3. Step 3: Cross multiply
    334,435.60x = 501,653.40 × 156,960.55
  4. Step 4: Simplify right side
    334,435.60x = 78,739,793,573.37
  5. Step 5: Solve for x
    x = 78,739,793,573.37/334,435.60
  6. Step 6: Final answer
    x = 235,440.83

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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.