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Finding the Fourth Proportional to 446,502.70, 669,754.05 and 401,401.90

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Solution

The fourth proportional to 446,502.70, 669,754.05 and 401,401.90 is: 602,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,502.70 : 669,754.05 = 401,401.90 : x
  2. Step 2: Convert to fraction form
    446,502.70/669,754.05 = 401,401.90/x
  3. Step 3: Cross multiply
    446,502.70x = 669,754.05 × 401,401.90
  4. Step 4: Simplify right side
    446,502.70x = 268,840,548,202.70
  5. Step 5: Solve for x
    x = 268,840,548,202.70/446,502.70
  6. Step 6: Final answer
    x = 602,102.85

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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.