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Finding the Fourth Proportional to 336,305.57, 504,578.70 and 144,099.32

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Solution

The fourth proportional to 336,305.57, 504,578.70 and 144,099.32 is: 216,200.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,305.57 : 504,578.70 = 144,099.32 : x
  2. Step 2: Convert to fraction form
    336,305.57/504,578.70 = 144,099.32/x
  3. Step 3: Cross multiply
    336,305.57x = 504,578.70 × 144,099.32
  4. Step 4: Simplify right side
    336,305.57x = 72,709,445,033.59
  5. Step 5: Solve for x
    x = 72,709,445,033.59/336,305.57
  6. Step 6: Final answer
    x = 216,200.54

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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.