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Finding the Fourth Proportional to 208,673.40, 313,010.10 and 177,180.60

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Solution

The fourth proportional to 208,673.40, 313,010.10 and 177,180.60 is: 265,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,673.40 : 313,010.10 = 177,180.60 : x
  2. Step 2: Convert to fraction form
    208,673.40/313,010.10 = 177,180.60/x
  3. Step 3: Cross multiply
    208,673.40x = 313,010.10 × 177,180.60
  4. Step 4: Simplify right side
    208,673.40x = 55,459,317,324.06
  5. Step 5: Solve for x
    x = 55,459,317,324.06/208,673.40
  6. Step 6: Final answer
    x = 265,770.90

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1.5x scale

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.