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Finding the Fourth Proportional to 609,137.63, 840,616.56 and 337,210.05

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Solution

The fourth proportional to 609,137.63, 840,616.56 and 337,210.05 is: 465,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,137.63 : 840,616.56 = 337,210.05 : x
  2. Step 2: Convert to fraction form
    609,137.63/840,616.56 = 337,210.05/x
  3. Step 3: Cross multiply
    609,137.63x = 840,616.56 × 337,210.05
  4. Step 4: Simplify right side
    609,137.63x = 283,464,352,228.43
  5. Step 5: Solve for x
    x = 283,464,352,228.43/609,137.63
  6. Step 6: Final answer
    x = 465,353.54

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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.