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Finding the Fourth Proportional to 437,589.63, 656,495.28 and 122,046.48

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Solution

The fourth proportional to 437,589.63, 656,495.28 and 122,046.48 is: 183,100.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,589.63 : 656,495.28 = 122,046.48 : x
  2. Step 2: Convert to fraction form
    437,589.63/656,495.28 = 122,046.48/x
  3. Step 3: Cross multiply
    437,589.63x = 656,495.28 × 122,046.48
  4. Step 4: Simplify right side
    437,589.63x = 80,122,938,060.61
  5. Step 5: Solve for x
    x = 80,122,938,060.61/437,589.63
  6. Step 6: Final answer
    x = 183,100.63

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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.