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Finding the Fourth Proportional to 297,905.77, 446,858.75 and 87,543.73

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Solution

The fourth proportional to 297,905.77, 446,858.75 and 87,543.73 is: 131,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,905.77 : 446,858.75 = 87,543.73 : x
  2. Step 2: Convert to fraction form
    297,905.77/446,858.75 = 87,543.73/x
  3. Step 3: Cross multiply
    297,905.77x = 446,858.75 × 87,543.73
  4. Step 4: Simplify right side
    297,905.77x = 39,119,681,758.14
  5. Step 5: Solve for x
    x = 39,119,681,758.14/297,905.77
  6. Step 6: Final answer
    x = 131,315.62

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1.5x scale

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.