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Finding the Fourth Proportional to 344,154, 516,250.44 and 122,538

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Solution

The fourth proportional to 344,154, 516,250.44 and 122,538 is: 183,813.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,154 : 516,250.44 = 122,538 : x
  2. Step 2: Convert to fraction form
    344,154/516,250.44 = 122,538/x
  3. Step 3: Cross multiply
    344,154x = 516,250.44 × 122,538
  4. Step 4: Simplify right side
    344,154x = 63,260,296,416.72
  5. Step 5: Solve for x
    x = 63,260,296,416.72/344,154
  6. Step 6: Final answer
    x = 183,813.92

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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.