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Finding the Fourth Proportional to 344,563.54, 475,507.97 and 208,622.35

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Solution

The fourth proportional to 344,563.54, 475,507.97 and 208,622.35 is: 287,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,563.54 : 475,507.97 = 208,622.35 : x
  2. Step 2: Convert to fraction form
    344,563.54/475,507.97 = 208,622.35/x
  3. Step 3: Cross multiply
    344,563.54x = 475,507.97 × 208,622.35
  4. Step 4: Simplify right side
    344,563.54x = 99,201,590,145.13
  5. Step 5: Solve for x
    x = 99,201,590,145.13/344,563.54
  6. Step 6: Final answer
    x = 287,905.07

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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.