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Finding the Fourth Proportional to 640,873.69, 961,376.42 and 241,850.41

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Solution

The fourth proportional to 640,873.69, 961,376.42 and 241,850.41 is: 362,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,873.69 : 961,376.42 = 241,850.41 : x
  2. Step 2: Convert to fraction form
    640,873.69/961,376.42 = 241,850.41/x
  3. Step 3: Cross multiply
    640,873.69x = 961,376.42 × 241,850.41
  4. Step 4: Simplify right side
    640,873.69x = 232,509,280,132.08
  5. Step 5: Solve for x
    x = 232,509,280,132.08/640,873.69
  6. Step 6: Final answer
    x = 362,800.48

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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.