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Finding the Fourth Proportional to 467,754.34, 645,500.82 and 252,894.34

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Solution

The fourth proportional to 467,754.34, 645,500.82 and 252,894.34 is: 348,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,754.34 : 645,500.82 = 252,894.34 : x
  2. Step 2: Convert to fraction form
    467,754.34/645,500.82 = 252,894.34/x
  3. Step 3: Cross multiply
    467,754.34x = 645,500.82 × 252,894.34
  4. Step 4: Simplify right side
    467,754.34x = 163,243,503,843.36
  5. Step 5: Solve for x
    x = 163,243,503,843.36/467,754.34
  6. Step 6: Final answer
    x = 348,994.10

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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.