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Finding the Fourth Proportional to 448,867.88, 619,450.63 and 247,676.84

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Solution

The fourth proportional to 448,867.88, 619,450.63 and 247,676.84 is: 341,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,867.88 : 619,450.63 = 247,676.84 : x
  2. Step 2: Convert to fraction form
    448,867.88/619,450.63 = 247,676.84/x
  3. Step 3: Cross multiply
    448,867.88x = 619,450.63 × 247,676.84
  4. Step 4: Simplify right side
    448,867.88x = 153,423,570,857.96
  5. Step 5: Solve for x
    x = 153,423,570,857.96/448,867.88
  6. Step 6: Final answer
    x = 341,801.18

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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.