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Finding the Fourth Proportional to 396,799.83, 547,498.58 and 235,709.19

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Solution

The fourth proportional to 396,799.83, 547,498.58 and 235,709.19 is: 325,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,799.83 : 547,498.58 = 235,709.19 : x
  2. Step 2: Convert to fraction form
    396,799.83/547,498.58 = 235,709.19/x
  3. Step 3: Cross multiply
    396,799.83x = 547,498.58 × 235,709.19
  4. Step 4: Simplify right side
    396,799.83x = 129,050,445,639.40
  5. Step 5: Solve for x
    x = 129,050,445,639.40/396,799.83
  6. Step 6: Final answer
    x = 325,228.08

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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.