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Finding the Fourth Proportional to 609,083.64, 840,525.26 and 337,145.70

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Solution

The fourth proportional to 609,083.64, 840,525.26 and 337,145.70 is: 465,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,083.64 : 840,525.26 = 337,145.70 : x
  2. Step 2: Convert to fraction form
    609,083.64/840,525.26 = 337,145.70/x
  3. Step 3: Cross multiply
    609,083.64x = 840,525.26 × 337,145.70
  4. Step 4: Simplify right side
    609,083.64x = 283,379,477,150.38
  5. Step 5: Solve for x
    x = 283,379,477,150.38/609,083.64
  6. Step 6: Final answer
    x = 465,255.44

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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.