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Finding the Fourth Proportional to 272,883.88, 376,554.18 and 201,303.64

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Solution

The fourth proportional to 272,883.88, 376,554.18 and 201,303.64 is: 277,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,883.88 : 376,554.18 = 201,303.64 : x
  2. Step 2: Convert to fraction form
    272,883.88/376,554.18 = 201,303.64/x
  3. Step 3: Cross multiply
    272,883.88x = 376,554.18 × 201,303.64
  4. Step 4: Simplify right side
    272,883.88x = 75,801,727,091.22
  5. Step 5: Solve for x
    x = 75,801,727,091.22/272,883.88
  6. Step 6: Final answer
    x = 277,780.16

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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.