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Finding the Fourth Proportional to 297,992.61, 446,985.14 and 73,355.85

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Solution

The fourth proportional to 297,992.61, 446,985.14 and 73,355.85 is: 110,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,992.61 : 446,985.14 = 73,355.85 : x
  2. Step 2: Convert to fraction form
    297,992.61/446,985.14 = 73,355.85/x
  3. Step 3: Cross multiply
    297,992.61x = 446,985.14 × 73,355.85
  4. Step 4: Simplify right side
    297,992.61x = 32,788,974,515.29
  5. Step 5: Solve for x
    x = 32,788,974,515.29/297,992.61
  6. Step 6: Final answer
    x = 110,032.84

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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.