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Finding the Fourth Proportional to 561,618.40, 842,427.60 and 337,669.60

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Solution

The fourth proportional to 561,618.40, 842,427.60 and 337,669.60 is: 506,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,618.40 : 842,427.60 = 337,669.60 : x
  2. Step 2: Convert to fraction form
    561,618.40/842,427.60 = 337,669.60/x
  3. Step 3: Cross multiply
    561,618.40x = 842,427.60 × 337,669.60
  4. Step 4: Simplify right side
    561,618.40x = 284,462,190,720.96
  5. Step 5: Solve for x
    x = 284,462,190,720.96/561,618.40
  6. Step 6: Final answer
    x = 506,504.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.