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Finding the Fourth Proportional to 445,670.56, 615,016.96 and 252,074.89

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Solution

The fourth proportional to 445,670.56, 615,016.96 and 252,074.89 is: 347,858.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,670.56 : 615,016.96 = 252,074.89 : x
  2. Step 2: Convert to fraction form
    445,670.56/615,016.96 = 252,074.89/x
  3. Step 3: Cross multiply
    445,670.56x = 615,016.96 × 252,074.89
  4. Step 4: Simplify right side
    445,670.56x = 155,030,332,540.13
  5. Step 5: Solve for x
    x = 155,030,332,540.13/445,670.56
  6. Step 6: Final answer
    x = 347,858.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.