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Finding the Fourth Proportional to 344,564.54, 475,509.35 and 208,623.35

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Solution

The fourth proportional to 344,564.54, 475,509.35 and 208,623.35 is: 287,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,564.54 : 475,509.35 = 208,623.35 : x
  2. Step 2: Convert to fraction form
    344,564.54/475,509.35 = 208,623.35/x
  3. Step 3: Cross multiply
    344,564.54x = 475,509.35 × 208,623.35
  4. Step 4: Simplify right side
    344,564.54x = 99,202,353,553.32
  5. Step 5: Solve for x
    x = 99,202,353,553.32/344,564.54
  6. Step 6: Final answer
    x = 287,906.45

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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.