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Finding the Fourth Proportional to 464,737.14, 640,975.69 and 336,157.94

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Solution

The fourth proportional to 464,737.14, 640,975.69 and 336,157.94 is: 463,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,737.14 : 640,975.69 = 336,157.94 : x
  2. Step 2: Convert to fraction form
    464,737.14/640,975.69 = 336,157.94/x
  3. Step 3: Cross multiply
    464,737.14x = 640,975.69 × 336,157.94
  4. Step 4: Simplify right side
    464,737.14x = 215,469,065,859.69
  5. Step 5: Solve for x
    x = 215,469,065,859.69/464,737.14
  6. Step 6: Final answer
    x = 463,636.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.