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Finding the Fourth Proportional to 378,515.58, 566,069.13 and 336,641.82

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Solution

The fourth proportional to 378,515.58, 566,069.13 and 336,641.82 is: 503,447.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,515.58 : 566,069.13 = 336,641.82 : x
  2. Step 2: Convert to fraction form
    378,515.58/566,069.13 = 336,641.82/x
  3. Step 3: Cross multiply
    378,515.58x = 566,069.13 × 336,641.82
  4. Step 4: Simplify right side
    378,515.58x = 190,562,542,169.02
  5. Step 5: Solve for x
    x = 190,562,542,169.02/378,515.58
  6. Step 6: Final answer
    x = 503,447.02

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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.