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Finding the Fourth Proportional to 288,910.55, 433,193.03 and 148,942.55

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Solution

The fourth proportional to 288,910.55, 433,193.03 and 148,942.55 is: 223,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,910.55 : 433,193.03 = 148,942.55 : x
  2. Step 2: Convert to fraction form
    288,910.55/433,193.03 = 148,942.55/x
  3. Step 3: Cross multiply
    288,910.55x = 433,193.03 × 148,942.55
  4. Step 4: Simplify right side
    288,910.55x = 64,520,873,785.71
  5. Step 5: Solve for x
    x = 64,520,873,785.71/288,910.55
  6. Step 6: Final answer
    x = 223,324.74

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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.