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Finding the Fourth Proportional to 551,606.70, 827,215.65 and 196,632.30

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Solution

The fourth proportional to 551,606.70, 827,215.65 and 196,632.30 is: 294,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,606.70 : 827,215.65 = 196,632.30 : x
  2. Step 2: Convert to fraction form
    551,606.70/827,215.65 = 196,632.30/x
  3. Step 3: Cross multiply
    551,606.70x = 827,215.65 × 196,632.30
  4. Step 4: Simplify right side
    551,606.70x = 162,657,315,855.50
  5. Step 5: Solve for x
    x = 162,657,315,855.50/551,606.70
  6. Step 6: Final answer
    x = 294,879.15

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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.