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Finding the Fourth Proportional to 444,531.11, 613,462.64 and 243,327.11

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Solution

The fourth proportional to 444,531.11, 613,462.64 and 243,327.11 is: 335,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,531.11 : 613,462.64 = 243,327.11 : x
  2. Step 2: Convert to fraction form
    444,531.11/613,462.64 = 243,327.11/x
  3. Step 3: Cross multiply
    444,531.11x = 613,462.64 × 243,327.11
  4. Step 4: Simplify right side
    444,531.11x = 149,272,087,000.22
  5. Step 5: Solve for x
    x = 149,272,087,000.22/444,531.11
  6. Step 6: Final answer
    x = 335,796.72

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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.