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Finding the Fourth Proportional to 382,901.59, 573,834.79 and 276,467.59

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Solution

The fourth proportional to 382,901.59, 573,834.79 and 276,467.59 is: 414,327.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,901.59 : 573,834.79 = 276,467.59 : x
  2. Step 2: Convert to fraction form
    382,901.59/573,834.79 = 276,467.59/x
  3. Step 3: Cross multiply
    382,901.59x = 573,834.79 × 276,467.59
  4. Step 4: Simplify right side
    382,901.59x = 158,646,721,449.46
  5. Step 5: Solve for x
    x = 158,646,721,449.46/382,901.59
  6. Step 6: Final answer
    x = 414,327.66

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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.