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Finding the Fourth Proportional to 503,052.04, 694,257.78 and 288,261.64

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Solution

The fourth proportional to 503,052.04, 694,257.78 and 288,261.64 is: 397,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,052.04 : 694,257.78 = 288,261.64 : x
  2. Step 2: Convert to fraction form
    503,052.04/694,257.78 = 288,261.64/x
  3. Step 3: Cross multiply
    503,052.04x = 694,257.78 × 288,261.64
  4. Step 4: Simplify right side
    503,052.04x = 200,127,886,245.56
  5. Step 5: Solve for x
    x = 200,127,886,245.56/503,052.04
  6. Step 6: Final answer
    x = 397,827.40

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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.