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Finding the Fourth Proportional to 344,245.65, 516,368.88 and 107,589.57

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Solution

The fourth proportional to 344,245.65, 516,368.88 and 107,589.57 is: 161,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,245.65 : 516,368.88 = 107,589.57 : x
  2. Step 2: Convert to fraction form
    344,245.65/516,368.88 = 107,589.57/x
  3. Step 3: Cross multiply
    344,245.65x = 516,368.88 × 107,589.57
  4. Step 4: Simplify right side
    344,245.65x = 55,555,905,760.58
  5. Step 5: Solve for x
    x = 55,555,905,760.58/344,245.65
  6. Step 6: Final answer
    x = 161,384.48

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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.