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Finding the Fourth Proportional to 504,197.28, 695,790.84 and 277,842.72

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Solution

The fourth proportional to 504,197.28, 695,790.84 and 277,842.72 is: 383,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,197.28 : 695,790.84 = 277,842.72 : x
  2. Step 2: Convert to fraction form
    504,197.28/695,790.84 = 277,842.72/x
  3. Step 3: Cross multiply
    504,197.28x = 695,790.84 × 277,842.72
  4. Step 4: Simplify right side
    504,197.28x = 193,320,419,536.69
  5. Step 5: Solve for x
    x = 193,320,419,536.69/504,197.28
  6. Step 6: Final answer
    x = 383,422.18

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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.