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Finding the Fourth Proportional to 437,542.50, 603,808.74 and 236,338.50

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Solution

The fourth proportional to 437,542.50, 603,808.74 and 236,338.50 is: 326,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,542.50 : 603,808.74 = 236,338.50 : x
  2. Step 2: Convert to fraction form
    437,542.50/603,808.74 = 236,338.50/x
  3. Step 3: Cross multiply
    437,542.50x = 603,808.74 × 236,338.50
  4. Step 4: Simplify right side
    437,542.50x = 142,703,251,898.49
  5. Step 5: Solve for x
    x = 142,703,251,898.49/437,542.50
  6. Step 6: Final answer
    x = 326,147.18

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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.