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Finding the Fourth Proportional to 307,956.20, 461,996.70 and 174,900.20

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Solution

The fourth proportional to 307,956.20, 461,996.70 and 174,900.20 is: 262,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,956.20 : 461,996.70 = 174,900.20 : x
  2. Step 2: Convert to fraction form
    307,956.20/461,996.70 = 174,900.20/x
  3. Step 3: Cross multiply
    307,956.20x = 461,996.70 × 174,900.20
  4. Step 4: Simplify right side
    307,956.20x = 80,803,315,229.34
  5. Step 5: Solve for x
    x = 80,803,315,229.34/307,956.20
  6. Step 6: Final answer
    x = 262,385.74

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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.