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Finding the Fourth Proportional to 467,757.60, 645,671.39 and 276,770.53

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Solution

The fourth proportional to 467,757.60, 645,671.39 and 276,770.53 is: 382,041.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,757.60 : 645,671.39 = 276,770.53 : x
  2. Step 2: Convert to fraction form
    467,757.60/645,671.39 = 276,770.53/x
  3. Step 3: Cross multiply
    467,757.60x = 645,671.39 × 276,770.53
  4. Step 4: Simplify right side
    467,757.60x = 178,702,812,239.37
  5. Step 5: Solve for x
    x = 178,702,812,239.37/467,757.60
  6. Step 6: Final answer
    x = 382,041.50

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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.