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Finding the Fourth Proportional to 433,145.49, 648,451.26 and 252,679.11

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Solution

The fourth proportional to 433,145.49, 648,451.26 and 252,679.11 is: 378,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,145.49 : 648,451.26 = 252,679.11 : x
  2. Step 2: Convert to fraction form
    433,145.49/648,451.26 = 252,679.11/x
  3. Step 3: Cross multiply
    433,145.49x = 648,451.26 × 252,679.11
  4. Step 4: Simplify right side
    433,145.49x = 163,850,087,255.18
  5. Step 5: Solve for x
    x = 163,850,087,255.18/433,145.49
  6. Step 6: Final answer
    x = 378,279.56

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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.