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Finding the Fourth Proportional to 653,899.56, 980,861.69 and 180,597.52

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Solution

The fourth proportional to 653,899.56, 980,861.69 and 180,597.52 is: 270,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,899.56 : 980,861.69 = 180,597.52 : x
  2. Step 2: Convert to fraction form
    653,899.56/980,861.69 = 180,597.52/x
  3. Step 3: Cross multiply
    653,899.56x = 980,861.69 × 180,597.52
  4. Step 4: Simplify right side
    653,899.56x = 177,141,188,677.01
  5. Step 5: Solve for x
    x = 177,141,188,677.01/653,899.56
  6. Step 6: Final answer
    x = 270,899.69

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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.