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Finding the Fourth Proportional to 367,260.50, 550,703.22 and 215,753.50

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Solution

The fourth proportional to 367,260.50, 550,703.22 and 215,753.50 is: 323,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,260.50 : 550,703.22 = 215,753.50 : x
  2. Step 2: Convert to fraction form
    367,260.50/550,703.22 = 215,753.50/x
  3. Step 3: Cross multiply
    367,260.50x = 550,703.22 × 215,753.50
  4. Step 4: Simplify right side
    367,260.50x = 118,816,145,799.51
  5. Step 5: Solve for x
    x = 118,816,145,799.51/367,260.50
  6. Step 6: Final answer
    x = 323,520.08

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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.