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Finding the Fourth Proportional to 353,777.43, 488,220.87 and 200,801.31

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Solution

The fourth proportional to 353,777.43, 488,220.87 and 200,801.31 is: 277,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,777.43 : 488,220.87 = 200,801.31 : x
  2. Step 2: Convert to fraction form
    353,777.43/488,220.87 = 200,801.31/x
  3. Step 3: Cross multiply
    353,777.43x = 488,220.87 × 200,801.31
  4. Step 4: Simplify right side
    353,777.43x = 98,035,389,431.13
  5. Step 5: Solve for x
    x = 98,035,389,431.13/353,777.43
  6. Step 6: Final answer
    x = 277,110.35

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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.