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Finding the Fourth Proportional to 609,065.11, 840,511.45 and 337,151.76

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Solution

The fourth proportional to 609,065.11, 840,511.45 and 337,151.76 is: 465,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,065.11 : 840,511.45 = 337,151.76 : x
  2. Step 2: Convert to fraction form
    609,065.11/840,511.45 = 337,151.76/x
  3. Step 3: Cross multiply
    609,065.11x = 840,511.45 × 337,151.76
  4. Step 4: Simplify right side
    609,065.11x = 283,379,914,667.65
  5. Step 5: Solve for x
    x = 283,379,914,667.65/609,065.11
  6. Step 6: Final answer
    x = 465,270.31

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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.