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Finding the Fourth Proportional to 332,938.60, 499,407.90 and 111,322.60

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Solution

The fourth proportional to 332,938.60, 499,407.90 and 111,322.60 is: 166,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,938.60 : 499,407.90 = 111,322.60 : x
  2. Step 2: Convert to fraction form
    332,938.60/499,407.90 = 111,322.60/x
  3. Step 3: Cross multiply
    332,938.60x = 499,407.90 × 111,322.60
  4. Step 4: Simplify right side
    332,938.60x = 55,595,385,888.54
  5. Step 5: Solve for x
    x = 55,595,385,888.54/332,938.60
  6. Step 6: Final answer
    x = 166,983.90

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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.