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Finding the Fourth Proportional to 492,299.35, 738,027.81 and 188,911.22

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Solution

The fourth proportional to 492,299.35, 738,027.81 and 188,911.22 is: 283,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,299.35 : 738,027.81 = 188,911.22 : x
  2. Step 2: Convert to fraction form
    492,299.35/738,027.81 = 188,911.22/x
  3. Step 3: Cross multiply
    492,299.35x = 738,027.81 × 188,911.22
  4. Step 4: Simplify right side
    492,299.35x = 139,421,733,058.49
  5. Step 5: Solve for x
    x = 139,421,733,058.49/492,299.35
  6. Step 6: Final answer
    x = 283,205.19

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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.