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Finding the Fourth Proportional to 469,667.56, 704,616.54 and 220,057.96

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Solution

The fourth proportional to 469,667.56, 704,616.54 and 220,057.96 is: 330,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,667.56 : 704,616.54 = 220,057.96 : x
  2. Step 2: Convert to fraction form
    469,667.56/704,616.54 = 220,057.96/x
  3. Step 3: Cross multiply
    469,667.56x = 704,616.54 × 220,057.96
  4. Step 4: Simplify right side
    469,667.56x = 155,056,478,374.66
  5. Step 5: Solve for x
    x = 155,056,478,374.66/469,667.56
  6. Step 6: Final answer
    x = 330,140.92

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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.