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Finding the Fourth Proportional to 336,632.76, 504,800.64 and 126,122.94

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Solution

The fourth proportional to 336,632.76, 504,800.64 and 126,122.94 is: 189,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,632.76 : 504,800.64 = 126,122.94 : x
  2. Step 2: Convert to fraction form
    336,632.76/504,800.64 = 126,122.94/x
  3. Step 3: Cross multiply
    336,632.76x = 504,800.64 × 126,122.94
  4. Step 4: Simplify right side
    336,632.76x = 63,666,940,830.68
  5. Step 5: Solve for x
    x = 63,666,940,830.68/336,632.76
  6. Step 6: Final answer
    x = 189,128.77

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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.