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Finding the Fourth Proportional to 344,887.04, 475,937.06 and 215,896.64

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Solution

The fourth proportional to 344,887.04, 475,937.06 and 215,896.64 is: 297,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,887.04 : 475,937.06 = 215,896.64 : x
  2. Step 2: Convert to fraction form
    344,887.04/475,937.06 = 215,896.64/x
  3. Step 3: Cross multiply
    344,887.04x = 475,937.06 × 215,896.64
  4. Step 4: Simplify right side
    344,887.04x = 102,753,208,646.31
  5. Step 5: Solve for x
    x = 102,753,208,646.31/344,887.04
  6. Step 6: Final answer
    x = 297,932.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.