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Finding the Fourth Proportional to 609,083.15, 840,524.57 and 337,145.21

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Solution

The fourth proportional to 609,083.15, 840,524.57 and 337,145.21 is: 465,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,083.15 : 840,524.57 = 337,145.21 : x
  2. Step 2: Convert to fraction form
    609,083.15/840,524.57 = 337,145.21/x
  3. Step 3: Cross multiply
    609,083.15x = 840,524.57 × 337,145.21
  4. Step 4: Simplify right side
    609,083.15x = 283,378,826,774.46
  5. Step 5: Solve for x
    x = 283,378,826,774.46/609,083.15
  6. Step 6: Final answer
    x = 465,254.75

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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.