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Finding the Fourth Proportional to 609,008.58, 840,420.09 and 337,076.46

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Solution

The fourth proportional to 609,008.58, 840,420.09 and 337,076.46 is: 465,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,008.58 : 840,420.09 = 337,076.46 : x
  2. Step 2: Convert to fraction form
    609,008.58/840,420.09 = 337,076.46/x
  3. Step 3: Cross multiply
    609,008.58x = 840,420.09 × 337,076.46
  4. Step 4: Simplify right side
    609,008.58x = 283,285,828,850.08
  5. Step 5: Solve for x
    x = 283,285,828,850.08/609,008.58
  6. Step 6: Final answer
    x = 465,159.01

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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.