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Finding the Fourth Proportional to 297,887.01, 447,148.85 and 120,509.97

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Solution

The fourth proportional to 297,887.01, 447,148.85 and 120,509.97 is: 180,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,887.01 : 447,148.85 = 120,509.97 : x
  2. Step 2: Convert to fraction form
    297,887.01/447,148.85 = 120,509.97/x
  3. Step 3: Cross multiply
    297,887.01x = 447,148.85 × 120,509.97
  4. Step 4: Simplify right side
    297,887.01x = 53,885,893,896.48
  5. Step 5: Solve for x
    x = 53,885,893,896.48/297,887.01
  6. Step 6: Final answer
    x = 180,893.74

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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.