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Finding the Fourth Proportional to 653,999.97, 980,990.22 and 180,674.85

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Solution

The fourth proportional to 653,999.97, 980,990.22 and 180,674.85 is: 271,009.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,999.97 : 980,990.22 = 180,674.85 : x
  2. Step 2: Convert to fraction form
    653,999.97/980,990.22 = 180,674.85/x
  3. Step 3: Cross multiply
    653,999.97x = 980,990.22 × 180,674.85
  4. Step 4: Simplify right side
    653,999.97x = 177,240,260,849.97
  5. Step 5: Solve for x
    x = 177,240,260,849.97/653,999.97
  6. Step 6: Final answer
    x = 271,009.59

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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.