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Finding the Fourth Proportional to 609,022.40, 840,429.47 and 337,090.82

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Solution

The fourth proportional to 609,022.40, 840,429.47 and 337,090.82 is: 465,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,022.40 : 840,429.47 = 337,090.82 : x
  2. Step 2: Convert to fraction form
    609,022.40/840,429.47 = 337,090.82/x
  3. Step 3: Cross multiply
    609,022.40x = 840,429.47 × 337,090.82
  4. Step 4: Simplify right side
    609,022.40x = 283,301,055,835.05
  5. Step 5: Solve for x
    x = 283,301,055,835.05/609,022.40
  6. Step 6: Final answer
    x = 465,173.46

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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.