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Finding the Fourth Proportional to 637,726.44, 956,644.73 and 164,407.80

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Solution

The fourth proportional to 637,726.44, 956,644.73 and 164,407.80 is: 246,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,726.44 : 956,644.73 = 164,407.80 : x
  2. Step 2: Convert to fraction form
    637,726.44/956,644.73 = 164,407.80/x
  3. Step 3: Cross multiply
    637,726.44x = 956,644.73 × 164,407.80
  4. Step 4: Simplify right side
    637,726.44x = 157,279,855,440.89
  5. Step 5: Solve for x
    x = 157,279,855,440.89/637,726.44
  6. Step 6: Final answer
    x = 246,625.90

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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.