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Finding the Fourth Proportional to 272,884.88, 376,555.56 and 201,304.64

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Solution

The fourth proportional to 272,884.88, 376,555.56 and 201,304.64 is: 277,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,884.88 : 376,555.56 = 201,304.64 : x
  2. Step 2: Convert to fraction form
    272,884.88/376,555.56 = 201,304.64/x
  3. Step 3: Cross multiply
    272,884.88x = 376,555.56 × 201,304.64
  4. Step 4: Simplify right side
    272,884.88x = 75,802,381,445.80
  5. Step 5: Solve for x
    x = 75,802,381,445.80/272,884.88
  6. Step 6: Final answer
    x = 277,781.54

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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.