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Finding the Fourth Proportional to 437,418.58, 656,127.88 and 104,994.58

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Solution

The fourth proportional to 437,418.58, 656,127.88 and 104,994.58 is: 157,491.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,418.58 : 656,127.88 = 104,994.58 : x
  2. Step 2: Convert to fraction form
    437,418.58/656,127.88 = 104,994.58/x
  3. Step 3: Cross multiply
    437,418.58x = 656,127.88 × 104,994.58
  4. Step 4: Simplify right side
    437,418.58x = 68,889,871,186.89
  5. Step 5: Solve for x
    x = 68,889,871,186.89/437,418.58
  6. Step 6: Final answer
    x = 157,491.87

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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.