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Finding the Fourth Proportional to 424,150.84, 636,679.45 and 171,596.38

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Solution

The fourth proportional to 424,150.84, 636,679.45 and 171,596.38 is: 257,577.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,150.84 : 636,679.45 = 171,596.38 : x
  2. Step 2: Convert to fraction form
    424,150.84/636,679.45 = 171,596.38/x
  3. Step 3: Cross multiply
    424,150.84x = 636,679.45 × 171,596.38
  4. Step 4: Simplify right side
    424,150.84x = 109,251,888,656.96
  5. Step 5: Solve for x
    x = 109,251,888,656.96/424,150.84
  6. Step 6: Final answer
    x = 257,577.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.