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Finding the Fourth Proportional to 332,956.20, 499,434.30 and 111,340.20

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Solution

The fourth proportional to 332,956.20, 499,434.30 and 111,340.20 is: 167,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,956.20 : 499,434.30 = 111,340.20 : x
  2. Step 2: Convert to fraction form
    332,956.20/499,434.30 = 111,340.20/x
  3. Step 3: Cross multiply
    332,956.20x = 499,434.30 × 111,340.20
  4. Step 4: Simplify right side
    332,956.20x = 55,607,114,848.86
  5. Step 5: Solve for x
    x = 55,607,114,848.86/332,956.20
  6. Step 6: Final answer
    x = 167,010.30

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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.