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Finding the Fourth Proportional to 468,570.32, 646,604.88 and 277,552.88

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Solution

The fourth proportional to 468,570.32, 646,604.88 and 277,552.88 is: 383,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,570.32 : 646,604.88 = 277,552.88 : x
  2. Step 2: Convert to fraction form
    468,570.32/646,604.88 = 277,552.88/x
  3. Step 3: Cross multiply
    468,570.32x = 646,604.88 × 277,552.88
  4. Step 4: Simplify right side
    468,570.32x = 179,467,046,666.05
  5. Step 5: Solve for x
    x = 179,467,046,666.05/468,570.32
  6. Step 6: Final answer
    x = 383,009.85

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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.