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Finding the Fourth Proportional to 307,536.70, 461,305.05 and 223,555.90

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Solution

The fourth proportional to 307,536.70, 461,305.05 and 223,555.90 is: 335,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,536.70 : 461,305.05 = 223,555.90 : x
  2. Step 2: Convert to fraction form
    307,536.70/461,305.05 = 223,555.90/x
  3. Step 3: Cross multiply
    307,536.70x = 461,305.05 × 223,555.90
  4. Step 4: Simplify right side
    307,536.70x = 103,127,465,627.30
  5. Step 5: Solve for x
    x = 103,127,465,627.30/307,536.70
  6. Step 6: Final answer
    x = 335,333.85

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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.