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Finding the Fourth Proportional to 492,269.62, 738,404.35 and 118,292.62

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Solution

The fourth proportional to 492,269.62, 738,404.35 and 118,292.62 is: 177,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,269.62 : 738,404.35 = 118,292.62 : x
  2. Step 2: Convert to fraction form
    492,269.62/738,404.35 = 118,292.62/x
  3. Step 3: Cross multiply
    492,269.62x = 738,404.35 × 118,292.62
  4. Step 4: Simplify right side
    492,269.62x = 87,347,785,180.90
  5. Step 5: Solve for x
    x = 87,347,785,180.90/492,269.62
  6. Step 6: Final answer
    x = 177,438.91

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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.