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Finding the Fourth Proportional to 332,871.60, 459,233.73 and 211,991.25

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Solution

The fourth proportional to 332,871.60, 459,233.73 and 211,991.25 is: 292,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,871.60 : 459,233.73 = 211,991.25 : x
  2. Step 2: Convert to fraction form
    332,871.60/459,233.73 = 211,991.25/x
  3. Step 3: Cross multiply
    332,871.60x = 459,233.73 × 211,991.25
  4. Step 4: Simplify right side
    332,871.60x = 97,353,532,464.86
  5. Step 5: Solve for x
    x = 97,353,532,464.86/332,871.60
  6. Step 6: Final answer
    x = 292,465.72

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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.