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Finding the Fourth Proportional to 491,676.80, 735,765.60 and 341,211.20

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Solution

The fourth proportional to 491,676.80, 735,765.60 and 341,211.20 is: 510,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,676.80 : 735,765.60 = 341,211.20 : x
  2. Step 2: Convert to fraction form
    491,676.80/735,765.60 = 341,211.20/x
  3. Step 3: Cross multiply
    491,676.80x = 735,765.60 × 341,211.20
  4. Step 4: Simplify right side
    491,676.80x = 251,051,463,294.72
  5. Step 5: Solve for x
    x = 251,051,463,294.72/491,676.80
  6. Step 6: Final answer
    x = 510,602.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.