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Finding the Fourth Proportional to 504,951.56, 696,867.30 and 290,177.24

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Solution

The fourth proportional to 504,951.56, 696,867.30 and 290,177.24 is: 400,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,951.56 : 696,867.30 = 290,177.24 : x
  2. Step 2: Convert to fraction form
    504,951.56/696,867.30 = 290,177.24/x
  3. Step 3: Cross multiply
    504,951.56x = 696,867.30 × 290,177.24
  4. Step 4: Simplify right side
    504,951.56x = 202,215,029,760.25
  5. Step 5: Solve for x
    x = 202,215,029,760.25/504,951.56
  6. Step 6: Final answer
    x = 400,464.21

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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.