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Finding the Fourth Proportional to 336,338.53, 504,630.81 and 156,509.72

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Solution

The fourth proportional to 336,338.53, 504,630.81 and 156,509.72 is: 234,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,338.53 : 504,630.81 = 156,509.72 : x
  2. Step 2: Convert to fraction form
    336,338.53/504,630.81 = 156,509.72/x
  3. Step 3: Cross multiply
    336,338.53x = 504,630.81 × 156,509.72
  4. Step 4: Simplify right side
    336,338.53x = 78,979,626,145.68
  5. Step 5: Solve for x
    x = 78,979,626,145.68/336,338.53
  6. Step 6: Final answer
    x = 234,821.82

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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.