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Finding the Fourth Proportional to 437,418.42, 656,127.64 and 104,994.42

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Solution

The fourth proportional to 437,418.42, 656,127.64 and 104,994.42 is: 157,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,418.42 : 656,127.64 = 104,994.42 : x
  2. Step 2: Convert to fraction form
    437,418.42/656,127.64 = 104,994.42/x
  3. Step 3: Cross multiply
    437,418.42x = 656,127.64 × 104,994.42
  4. Step 4: Simplify right side
    437,418.42x = 68,889,741,007.77
  5. Step 5: Solve for x
    x = 68,889,741,007.77/437,418.42
  6. Step 6: Final answer
    x = 157,491.63

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1.5x scale

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.