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Finding the Fourth Proportional to 444,591.50, 613,536.30 and 243,387.50

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Solution

The fourth proportional to 444,591.50, 613,536.30 and 243,387.50 is: 335,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,591.50 : 613,536.30 = 243,387.50 : x
  2. Step 2: Convert to fraction form
    444,591.50/613,536.30 = 243,387.50/x
  3. Step 3: Cross multiply
    444,591.50x = 613,536.30 × 243,387.50
  4. Step 4: Simplify right side
    444,591.50x = 149,327,066,216.25
  5. Step 5: Solve for x
    x = 149,327,066,216.25/444,591.50
  6. Step 6: Final answer
    x = 335,874.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.