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Finding the Fourth Proportional to 477,385.92, 715,927.32 and 161,768.88

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Solution

The fourth proportional to 477,385.92, 715,927.32 and 161,768.88 is: 242,601.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,385.92 : 715,927.32 = 161,768.88 : x
  2. Step 2: Convert to fraction form
    477,385.92/715,927.32 = 161,768.88/x
  3. Step 3: Cross multiply
    477,385.92x = 715,927.32 × 161,768.88
  4. Step 4: Simplify right side
    477,385.92x = 115,814,760,717.80
  5. Step 5: Solve for x
    x = 115,814,760,717.80/477,385.92
  6. Step 6: Final answer
    x = 242,601.96

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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.