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Finding the Fourth Proportional to 374,345.70, 561,576.86 and 224,550.78

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Solution

The fourth proportional to 374,345.70, 561,576.86 and 224,550.78 is: 336,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,345.70 : 561,576.86 = 224,550.78 : x
  2. Step 2: Convert to fraction form
    374,345.70/561,576.86 = 224,550.78/x
  3. Step 3: Cross multiply
    374,345.70x = 561,576.86 × 224,550.78
  4. Step 4: Simplify right side
    374,345.70x = 126,102,521,942.95
  5. Step 5: Solve for x
    x = 126,102,521,942.95/374,345.70
  6. Step 6: Final answer
    x = 336,861.15

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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.