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Finding the Fourth Proportional to 624,390.57, 936,011.78 and 224,933.67

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Solution

The fourth proportional to 624,390.57, 936,011.78 and 224,933.67 is: 337,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,390.57 : 936,011.78 = 224,933.67 : x
  2. Step 2: Convert to fraction form
    624,390.57/936,011.78 = 224,933.67/x
  3. Step 3: Cross multiply
    624,390.57x = 936,011.78 × 224,933.67
  4. Step 4: Simplify right side
    624,390.57x = 210,540,563,713.96
  5. Step 5: Solve for x
    x = 210,540,563,713.96/624,390.57
  6. Step 6: Final answer
    x = 337,193.70

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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.