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Finding the Fourth Proportional to 366,909.70, 550,364.55 and 234,049.45

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Solution

The fourth proportional to 366,909.70, 550,364.55 and 234,049.45 is: 351,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,909.70 : 550,364.55 = 234,049.45 : x
  2. Step 2: Convert to fraction form
    366,909.70/550,364.55 = 234,049.45/x
  3. Step 3: Cross multiply
    366,909.70x = 550,364.55 × 234,049.45
  4. Step 4: Simplify right side
    366,909.70x = 128,812,520,227.00
  5. Step 5: Solve for x
    x = 128,812,520,227.00/366,909.70
  6. Step 6: Final answer
    x = 351,074.18

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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.