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Finding the Fourth Proportional to 467,841.30, 645,620.52 and 252,980.82

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Solution

The fourth proportional to 467,841.30, 645,620.52 and 252,980.82 is: 349,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,841.30 : 645,620.52 = 252,980.82 : x
  2. Step 2: Convert to fraction form
    467,841.30/645,620.52 = 252,980.82/x
  3. Step 3: Cross multiply
    467,841.30x = 645,620.52 × 252,980.82
  4. Step 4: Simplify right side
    467,841.30x = 163,329,608,558.43
  5. Step 5: Solve for x
    x = 163,329,608,558.43/467,841.30
  6. Step 6: Final answer
    x = 349,113.28

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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.