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Finding the Fourth Proportional to 300,527.22, 450,805.41 and 247,840.50

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Solution

The fourth proportional to 300,527.22, 450,805.41 and 247,840.50 is: 371,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,527.22 : 450,805.41 = 247,840.50 : x
  2. Step 2: Convert to fraction form
    300,527.22/450,805.41 = 247,840.50/x
  3. Step 3: Cross multiply
    300,527.22x = 450,805.41 × 247,840.50
  4. Step 4: Simplify right side
    300,527.22x = 111,727,838,217.11
  5. Step 5: Solve for x
    x = 111,727,838,217.11/300,527.22
  6. Step 6: Final answer
    x = 371,772.77

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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.