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Finding the Fourth Proportional to 452,656.23, 678,879.00 and 168,480.61

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Solution

The fourth proportional to 452,656.23, 678,879.00 and 168,480.61 is: 252,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,656.23 : 678,879.00 = 168,480.61 : x
  2. Step 2: Convert to fraction form
    452,656.23/678,879.00 = 168,480.61/x
  3. Step 3: Cross multiply
    452,656.23x = 678,879.00 × 168,480.61
  4. Step 4: Simplify right side
    452,656.23x = 114,377,946,760.19
  5. Step 5: Solve for x
    x = 114,377,946,760.19/452,656.23
  6. Step 6: Final answer
    x = 252,681.71

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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.