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Finding the Fourth Proportional to 403,550.32, 556,891.32 and 252,730.48

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Solution

The fourth proportional to 403,550.32, 556,891.32 and 252,730.48 is: 348,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,550.32 : 556,891.32 = 252,730.48 : x
  2. Step 2: Convert to fraction form
    403,550.32/556,891.32 = 252,730.48/x
  3. Step 3: Cross multiply
    403,550.32x = 556,891.32 × 252,730.48
  4. Step 4: Simplify right side
    403,550.32x = 140,743,410,611.43
  5. Step 5: Solve for x
    x = 140,743,410,611.43/403,550.32
  6. Step 6: Final answer
    x = 348,762.98

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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.