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Finding the Fourth Proportional to 347,215.68, 520,651.22 and 110,527.60

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Solution

The fourth proportional to 347,215.68, 520,651.22 and 110,527.60 is: 165,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,215.68 : 520,651.22 = 110,527.60 : x
  2. Step 2: Convert to fraction form
    347,215.68/520,651.22 = 110,527.60/x
  3. Step 3: Cross multiply
    347,215.68x = 520,651.22 × 110,527.60
  4. Step 4: Simplify right side
    347,215.68x = 57,546,329,783.67
  5. Step 5: Solve for x
    x = 57,546,329,783.67/347,215.68
  6. Step 6: Final answer
    x = 165,736.55

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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.