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Finding the Fourth Proportional to 247,221.84, 370,227.94 and 223,260.26

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Solution

The fourth proportional to 247,221.84, 370,227.94 and 223,260.26 is: 334,344.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,221.84 : 370,227.94 = 223,260.26 : x
  2. Step 2: Convert to fraction form
    247,221.84/370,227.94 = 223,260.26/x
  3. Step 3: Cross multiply
    247,221.84x = 370,227.94 × 223,260.26
  4. Step 4: Simplify right side
    247,221.84x = 82,657,186,143.66
  5. Step 5: Solve for x
    x = 82,657,186,143.66/247,221.84
  6. Step 6: Final answer
    x = 334,344.19

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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.