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Finding the Fourth Proportional to 403,040.88, 556,137.72 and 241,861.68

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Solution

The fourth proportional to 403,040.88, 556,137.72 and 241,861.68 is: 333,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,040.88 : 556,137.72 = 241,861.68 : x
  2. Step 2: Convert to fraction form
    403,040.88/556,137.72 = 241,861.68/x
  3. Step 3: Cross multiply
    403,040.88x = 556,137.72 × 241,861.68
  4. Step 4: Simplify right side
    403,040.88x = 134,508,403,270.57
  5. Step 5: Solve for x
    x = 134,508,403,270.57/403,040.88
  6. Step 6: Final answer
    x = 333,733.90

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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.