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Finding the Fourth Proportional to 364,516.52, 546,906.04 and 127,896.08

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Solution

The fourth proportional to 364,516.52, 546,906.04 and 127,896.08 is: 191,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,516.52 : 546,906.04 = 127,896.08 : x
  2. Step 2: Convert to fraction form
    364,516.52/546,906.04 = 127,896.08/x
  3. Step 3: Cross multiply
    364,516.52x = 546,906.04 × 127,896.08
  4. Step 4: Simplify right side
    364,516.52x = 69,947,138,644.32
  5. Step 5: Solve for x
    x = 69,947,138,644.32/364,516.52
  6. Step 6: Final answer
    x = 191,890.17

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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.