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Finding the Fourth Proportional to 506,690.60, 699,222.22 and 277,246.96

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Solution

The fourth proportional to 506,690.60, 699,222.22 and 277,246.96 is: 382,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,690.60 : 699,222.22 = 277,246.96 : x
  2. Step 2: Convert to fraction form
    506,690.60/699,222.22 = 277,246.96/x
  3. Step 3: Cross multiply
    506,690.60x = 699,222.22 × 277,246.96
  4. Step 4: Simplify right side
    506,690.60x = 193,857,234,859.45
  5. Step 5: Solve for x
    x = 193,857,234,859.45/506,690.60
  6. Step 6: Final answer
    x = 382,594.89

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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.