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Finding the Fourth Proportional to 468,568.32, 646,602.12 and 277,550.88

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Solution

The fourth proportional to 468,568.32, 646,602.12 and 277,550.88 is: 383,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,568.32 : 646,602.12 = 277,550.88 : x
  2. Step 2: Convert to fraction form
    468,568.32/646,602.12 = 277,550.88/x
  3. Step 3: Cross multiply
    468,568.32x = 646,602.12 × 277,550.88
  4. Step 4: Simplify right side
    468,568.32x = 179,464,987,415.87
  5. Step 5: Solve for x
    x = 179,464,987,415.87/468,568.32
  6. Step 6: Final answer
    x = 383,007.09

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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.