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Finding the Fourth Proportional to 440,769.50, 608,511.70 and 337,208.86

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Solution

The fourth proportional to 440,769.50, 608,511.70 and 337,208.86 is: 465,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,769.50 : 608,511.70 = 337,208.86 : x
  2. Step 2: Convert to fraction form
    440,769.50/608,511.70 = 337,208.86/x
  3. Step 3: Cross multiply
    440,769.50x = 608,511.70 × 337,208.86
  4. Step 4: Simplify right side
    440,769.50x = 205,195,536,653.66
  5. Step 5: Solve for x
    x = 205,195,536,653.66/440,769.50
  6. Step 6: Final answer
    x = 465,539.33

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1.5x scale

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.