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Finding the Fourth Proportional to 446,535.96, 669,816.90 and 197,237.40

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Solution

The fourth proportional to 446,535.96, 669,816.90 and 197,237.40 is: 295,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,535.96 : 669,816.90 = 197,237.40 : x
  2. Step 2: Convert to fraction form
    446,535.96/669,816.90 = 197,237.40/x
  3. Step 3: Cross multiply
    446,535.96x = 669,816.90 × 197,237.40
  4. Step 4: Simplify right side
    446,535.96x = 132,112,943,832.06
  5. Step 5: Solve for x
    x = 132,112,943,832.06/446,535.96
  6. Step 6: Final answer
    x = 295,861.82

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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.