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Finding the Fourth Proportional to 467,348.49, 644,940.12 and 252,487.89

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Solution

The fourth proportional to 467,348.49, 644,940.12 and 252,487.89 is: 348,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,348.49 : 644,940.12 = 252,487.89 : x
  2. Step 2: Convert to fraction form
    467,348.49/644,940.12 = 252,487.89/x
  3. Step 3: Cross multiply
    467,348.49x = 644,940.12 × 252,487.89
  4. Step 4: Simplify right side
    467,348.49x = 162,839,570,075.15
  5. Step 5: Solve for x
    x = 162,839,570,075.15/467,348.49
  6. Step 6: Final answer
    x = 348,432.86

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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.