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Finding the Fourth Proportional to 467,890.44, 645,690.29 and 253,032

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Solution

The fourth proportional to 467,890.44, 645,690.29 and 253,032 is: 349,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,890.44 : 645,690.29 = 253,032 : x
  2. Step 2: Convert to fraction form
    467,890.44/645,690.29 = 253,032/x
  3. Step 3: Cross multiply
    467,890.44x = 645,690.29 × 253,032
  4. Step 4: Simplify right side
    467,890.44x = 163,380,304,194.12
  5. Step 5: Solve for x
    x = 163,380,304,194.12/467,890.44
  6. Step 6: Final answer
    x = 349,184.96

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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.