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Finding the Fourth Proportional to 441,078.39, 609,515.64 and 360,476.51

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Solution

The fourth proportional to 441,078.39, 609,515.64 and 360,476.51 is: 498,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,078.39 : 609,515.64 = 360,476.51 : x
  2. Step 2: Convert to fraction form
    441,078.39/609,515.64 = 360,476.51/x
  3. Step 3: Cross multiply
    441,078.39x = 609,515.64 × 360,476.51
  4. Step 4: Simplify right side
    441,078.39x = 219,716,067,650.04
  5. Step 5: Solve for x
    x = 219,716,067,650.04/441,078.39
  6. Step 6: Final answer
    x = 498,133.83

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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.