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Finding the Fourth Proportional to 344,558.94, 516,797.28 and 91,858.38

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Solution

The fourth proportional to 344,558.94, 516,797.28 and 91,858.38 is: 137,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,558.94 : 516,797.28 = 91,858.38 : x
  2. Step 2: Convert to fraction form
    344,558.94/516,797.28 = 91,858.38/x
  3. Step 3: Cross multiply
    344,558.94x = 516,797.28 × 91,858.38
  4. Step 4: Simplify right side
    344,558.94x = 47,472,160,929.21
  5. Step 5: Solve for x
    x = 47,472,160,929.21/344,558.94
  6. Step 6: Final answer
    x = 137,776.60

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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.