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Finding the Fourth Proportional to 424,710.46, 636,365.49 and 246,717.82

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Solution

The fourth proportional to 424,710.46, 636,365.49 and 246,717.82 is: 369,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,710.46 : 636,365.49 = 246,717.82 : x
  2. Step 2: Convert to fraction form
    424,710.46/636,365.49 = 246,717.82/x
  3. Step 3: Cross multiply
    424,710.46x = 636,365.49 × 246,717.82
  4. Step 4: Simplify right side
    424,710.46x = 157,002,706,416.03
  5. Step 5: Solve for x
    x = 157,002,706,416.03/424,710.46
  6. Step 6: Final answer
    x = 369,669.98

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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.