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Finding the Fourth Proportional to 353,486.85, 530,535.84 and 185,124.97

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Solution

The fourth proportional to 353,486.85, 530,535.84 and 185,124.97 is: 277,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,486.85 : 530,535.84 = 185,124.97 : x
  2. Step 2: Convert to fraction form
    353,486.85/530,535.84 = 185,124.97/x
  3. Step 3: Cross multiply
    353,486.85x = 530,535.84 × 185,124.97
  4. Step 4: Simplify right side
    353,486.85x = 98,215,431,463.92
  5. Step 5: Solve for x
    x = 98,215,431,463.92/353,486.85
  6. Step 6: Final answer
    x = 277,847.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.