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Finding the Fourth Proportional to 448,876.52, 619,452.90 and 247,679.72

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Solution

The fourth proportional to 448,876.52, 619,452.90 and 247,679.72 is: 341,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,876.52 : 619,452.90 = 247,679.72 : x
  2. Step 2: Convert to fraction form
    448,876.52/619,452.90 = 247,679.72/x
  3. Step 3: Cross multiply
    448,876.52x = 619,452.90 × 247,679.72
  4. Step 4: Simplify right side
    448,876.52x = 153,425,920,825.19
  5. Step 5: Solve for x
    x = 153,425,920,825.19/448,876.52
  6. Step 6: Final answer
    x = 341,799.84

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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.