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Finding the Fourth Proportional to 444,561.64, 613,781.22 and 396,732.84

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Solution

The fourth proportional to 444,561.64, 613,781.22 and 396,732.84 is: 547,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,561.64 : 613,781.22 = 396,732.84 : x
  2. Step 2: Convert to fraction form
    444,561.64/613,781.22 = 396,732.84/x
  3. Step 3: Cross multiply
    444,561.64x = 613,781.22 × 396,732.84
  4. Step 4: Simplify right side
    444,561.64x = 243,507,166,549.27
  5. Step 5: Solve for x
    x = 243,507,166,549.27/444,561.64
  6. Step 6: Final answer
    x = 547,746.69

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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.