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Finding the Fourth Proportional to 551,605.88, 827,739.30 and 236,063.08

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Solution

The fourth proportional to 551,605.88, 827,739.30 and 236,063.08 is: 354,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,605.88 : 827,739.30 = 236,063.08 : x
  2. Step 2: Convert to fraction form
    551,605.88/827,739.30 = 236,063.08/x
  3. Step 3: Cross multiply
    551,605.88x = 827,739.30 × 236,063.08
  4. Step 4: Simplify right side
    551,605.88x = 195,398,688,595.04
  5. Step 5: Solve for x
    x = 195,398,688,595.04/551,605.88
  6. Step 6: Final answer
    x = 354,236.05

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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.