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Finding the Fourth Proportional to 379,346.60, 569,300.52 and 179,667.32

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Solution

The fourth proportional to 379,346.60, 569,300.52 and 179,667.32 is: 269,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,346.60 : 569,300.52 = 179,667.32 : x
  2. Step 2: Convert to fraction form
    379,346.60/569,300.52 = 179,667.32/x
  3. Step 3: Cross multiply
    379,346.60x = 569,300.52 × 179,667.32
  4. Step 4: Simplify right side
    379,346.60x = 102,284,698,703.01
  5. Step 5: Solve for x
    x = 102,284,698,703.01/379,346.60
  6. Step 6: Final answer
    x = 269,633.89

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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.