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Finding the Fourth Proportional to 637,725.06, 956,642.67 and 164,406.42

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Solution

The fourth proportional to 637,725.06, 956,642.67 and 164,406.42 is: 246,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,725.06 : 956,642.67 = 164,406.42 : x
  2. Step 2: Convert to fraction form
    637,725.06/956,642.67 = 164,406.42/x
  3. Step 3: Cross multiply
    637,725.06x = 956,642.67 × 164,406.42
  4. Step 4: Simplify right side
    637,725.06x = 157,278,196,593.94
  5. Step 5: Solve for x
    x = 157,278,196,593.94/637,725.06
  6. Step 6: Final answer
    x = 246,623.83

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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.