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Finding the Fourth Proportional to 344,353.47, 516,529.50 and 91,633.96

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Solution

The fourth proportional to 344,353.47, 516,529.50 and 91,633.96 is: 137,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,353.47 : 516,529.50 = 91,633.96 : x
  2. Step 2: Convert to fraction form
    344,353.47/516,529.50 = 91,633.96/x
  3. Step 3: Cross multiply
    344,353.47x = 516,529.50 × 91,633.96
  4. Step 4: Simplify right side
    344,353.47x = 47,331,643,541.82
  5. Step 5: Solve for x
    x = 47,331,643,541.82/344,353.47
  6. Step 6: Final answer
    x = 137,450.75

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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.