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Finding the Fourth Proportional to 403,382.88, 556,662.96 and 224,534.88

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Solution

The fourth proportional to 403,382.88, 556,662.96 and 224,534.88 is: 309,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,382.88 : 556,662.96 = 224,534.88 : x
  2. Step 2: Convert to fraction form
    403,382.88/556,662.96 = 224,534.88/x
  3. Step 3: Cross multiply
    403,382.88x = 556,662.96 × 224,534.88
  4. Step 4: Simplify right side
    403,382.88x = 124,990,250,924.05
  5. Step 5: Solve for x
    x = 124,990,250,924.05/403,382.88
  6. Step 6: Final answer
    x = 309,855.12

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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.