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Finding the Fourth Proportional to 492,453.92, 738,680.92 and 118,476.92

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Solution

The fourth proportional to 492,453.92, 738,680.92 and 118,476.92 is: 177,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,453.92 : 738,680.92 = 118,476.92 : x
  2. Step 2: Convert to fraction form
    492,453.92/738,680.92 = 118,476.92/x
  3. Step 3: Cross multiply
    492,453.92x = 738,680.92 × 118,476.92
  4. Step 4: Simplify right side
    492,453.92x = 87,516,640,264.37
  5. Step 5: Solve for x
    x = 87,516,640,264.37/492,453.92
  6. Step 6: Final answer
    x = 177,715.39

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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.