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Finding the Fourth Proportional to 484,099.96, 668,081.61 and 269,235.42

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Solution

The fourth proportional to 484,099.96, 668,081.61 and 269,235.42 is: 371,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,099.96 : 668,081.61 = 269,235.42 : x
  2. Step 2: Convert to fraction form
    484,099.96/668,081.61 = 269,235.42/x
  3. Step 3: Cross multiply
    484,099.96x = 668,081.61 × 269,235.42
  4. Step 4: Simplify right side
    484,099.96x = 179,871,232,862.63
  5. Step 5: Solve for x
    x = 179,871,232,862.63/484,099.96
  6. Step 6: Final answer
    x = 371,558.04

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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.