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Finding the Fourth Proportional to 609,035.79, 840,352.64 and 337,090.85

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Solution

The fourth proportional to 609,035.79, 840,352.64 and 337,090.85 is: 465,120.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,035.79 : 840,352.64 = 337,090.85 : x
  2. Step 2: Convert to fraction form
    609,035.79/840,352.64 = 337,090.85/x
  3. Step 3: Cross multiply
    609,035.79x = 840,352.64 × 337,090.85
  4. Step 4: Simplify right side
    609,035.79x = 283,275,179,830.13
  5. Step 5: Solve for x
    x = 283,275,179,830.13/609,035.79
  6. Step 6: Final answer
    x = 465,120.74

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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.