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Finding the Fourth Proportional to 492,581.80, 738,872.70 and 177,070.60

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Solution

The fourth proportional to 492,581.80, 738,872.70 and 177,070.60 is: 265,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,581.80 : 738,872.70 = 177,070.60 : x
  2. Step 2: Convert to fraction form
    492,581.80/738,872.70 = 177,070.60/x
  3. Step 3: Cross multiply
    492,581.80x = 738,872.70 × 177,070.60
  4. Step 4: Simplify right side
    492,581.80x = 130,832,632,312.62
  5. Step 5: Solve for x
    x = 130,832,632,312.62/492,581.80
  6. Step 6: Final answer
    x = 265,605.90

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Similar ratio
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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.