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Finding the Fourth Proportional to 560,383.00, 773,327.65 and 305,734.21

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Solution

The fourth proportional to 560,383.00, 773,327.65 and 305,734.21 is: 421,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,383.00 : 773,327.65 = 305,734.21 : x
  2. Step 2: Convert to fraction form
    560,383.00/773,327.65 = 305,734.21/x
  3. Step 3: Cross multiply
    560,383.00x = 773,327.65 × 305,734.21
  4. Step 4: Simplify right side
    560,383.00x = 236,432,714,277.27
  5. Step 5: Solve for x
    x = 236,432,714,277.27/560,383.00
  6. Step 6: Final answer
    x = 421,912.72

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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.