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Finding the Fourth Proportional to 344,384.80, 516,494.96 and 144,708.96

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Solution

The fourth proportional to 344,384.80, 516,494.96 and 144,708.96 is: 217,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,384.80 : 516,494.96 = 144,708.96 : x
  2. Step 2: Convert to fraction form
    344,384.80/516,494.96 = 144,708.96/x
  3. Step 3: Cross multiply
    344,384.80x = 516,494.96 × 144,708.96
  4. Step 4: Simplify right side
    344,384.80x = 74,741,448,506.84
  5. Step 5: Solve for x
    x = 74,741,448,506.84/344,384.80
  6. Step 6: Final answer
    x = 217,028.88

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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.